1900207155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 3971874816

約数和(自身を除く): 2071667661

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 73, 77, 93, 105, 155, 165, 217, 219, 231, 341, 365, 385, 465, 511, 651, 727, 803, 1023, 1085, 1095, 1155, 1533, 1705, 2181, 2263, 2387, 2409, 2555, 3255, 3635, 4015, 5089, 5115, 5621, 6789, 7161, 7665, 7997, 10905, 11315, 11935, 12045, 15267, 15841, 16863, 22537, 23991, 24893, 25445, 28105, 33945, 35805, 39985, 47523, 53071, 55979, 67611, 74679, 76335, 79205, 84315, 112685, 119955, 124465, 157759, 159213, 167937, 174251, 237615, 247907, 265355, 279895, 338055, 371497, 373395, 473277, 522753, 583781, 743721, 788795, 796065, 839685, 871255, 1114491, 1239535, 1645201, 1735349, 1751343, 1857485, 2366385, 2613765, 2918905, 3718605, 4086467, 4935603, 5206047, 5572455, 8226005, 8676745, 8756715, 11516407, 12259401, 18097211, 20432335, 24678015, 26030235, 34549221, 54291633, 57582035, 61297005, 90486055, 126680477, 172746105, 271458165, 380041431, 633402385, 1900207155]

約数ペア:

[(1, 1900207155), (3, 633402385), (5, 380041431), (7, 271458165), (11, 172746105), (15, 126680477), (21, 90486055), (31, 61297005), (33, 57582035), (35, 54291633), (55, 34549221), (73, 26030235), (77, 24678015), (93, 20432335), (105, 18097211), (155, 12259401), (165, 11516407), (217, 8756715), (219, 8676745), (231, 8226005), (341, 5572455), (365, 5206047), (385, 4935603), (465, 4086467), (511, 3718605), (651, 2918905), (727, 2613765), (803, 2366385), (1023, 1857485), (1085, 1751343), (1095, 1735349), (1155, 1645201), (1533, 1239535), (1705, 1114491), (2181, 871255), (2263, 839685), (2387, 796065), (2409, 788795), (2555, 743721), (3255, 583781), (3635, 522753), (4015, 473277), (5089, 373395), (5115, 371497), (5621, 338055), (6789, 279895), (7161, 265355), (7665, 247907), (7997, 237615), (10905, 174251), (11315, 167937), (11935, 159213), (12045, 157759), (15267, 124465), (15841, 119955), (16863, 112685), (22537, 84315), (23991, 79205), (24893, 76335), (25445, 74679), (28105, 67611), (33945, 55979), (35805, 53071), (39985, 47523)]