61487349

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 108822528

約数和(自身を除く): 47335179

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 71, 77, 161, 163, 213, 231, 253, 483, 489, 497, 759, 781, 1141, 1491, 1633, 1771, 1793, 2343, 3423, 3749, 4899, 5313, 5379, 5467, 11247, 11431, 11573, 12551, 16401, 17963, 26243, 34293, 34719, 37653, 41239, 53889, 78729, 81011, 123717, 125741, 127303, 243033, 266179, 288673, 377223, 381909, 798537, 866019, 891121, 1863253, 2673363, 2927969, 5589759, 8783907, 20495783, 61487349]

約数ペア:

[(1, 61487349), (3, 20495783), (7, 8783907), (11, 5589759), (21, 2927969), (23, 2673363), (33, 1863253), (69, 891121), (71, 866019), (77, 798537), (161, 381909), (163, 377223), (213, 288673), (231, 266179), (253, 243033), (483, 127303), (489, 125741), (497, 123717), (759, 81011), (781, 78729), (1141, 53889), (1491, 41239), (1633, 37653), (1771, 34719), (1793, 34293), (2343, 26243), (3423, 17963), (3749, 16401), (4899, 12551), (5313, 11573), (5379, 11431), (5467, 11247)]