31431015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 69728256

約数和(自身を除く): 38297241

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 47, 55, 63, 77, 99, 105, 141, 165, 193, 231, 235, 315, 329, 385, 423, 495, 517, 579, 693, 705, 965, 987, 1155, 1351, 1551, 1645, 1737, 2115, 2123, 2585, 2895, 2961, 3465, 3619, 4053, 4653, 4935, 6369, 6755, 7755, 8685, 9071, 10615, 10857, 12159, 14805, 14861, 18095, 19107, 20265, 23265, 27213, 31845, 32571, 44583, 45355, 54285, 60795, 63497, 74305, 81639, 95535, 99781, 133749, 136065, 162855, 190491, 222915, 299343, 317485, 408195, 498905, 571473, 668745, 698467, 898029, 952455, 1496715, 2095401, 2857365, 3492335, 4490145, 6286203, 10477005, 31431015]

約数ペア:

[(1, 31431015), (3, 10477005), (5, 6286203), (7, 4490145), (9, 3492335), (11, 2857365), (15, 2095401), (21, 1496715), (33, 952455), (35, 898029), (45, 698467), (47, 668745), (55, 571473), (63, 498905), (77, 408195), (99, 317485), (105, 299343), (141, 222915), (165, 190491), (193, 162855), (231, 136065), (235, 133749), (315, 99781), (329, 95535), (385, 81639), (423, 74305), (495, 63497), (517, 60795), (579, 54285), (693, 45355), (705, 44583), (965, 32571), (987, 31845), (1155, 27213), (1351, 23265), (1551, 20265), (1645, 19107), (1737, 18095), (2115, 14861), (2123, 14805), (2585, 12159), (2895, 10857), (2961, 10615), (3465, 9071), (3619, 8685), (4053, 7755), (4653, 6755), (4935, 6369)]