138713775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 242960640

約数和(自身を除く): 104246865

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 311, 313, 475, 933, 939, 1425, 1555, 1565, 4665, 4695, 5909, 5947, 7775, 7825, 17727, 17841, 23325, 23475, 29545, 29735, 88635, 89205, 97343, 147725, 148675, 292029, 443175, 446025, 486715, 1460145, 1849517, 2433575, 5548551, 7300725, 9247585, 27742755, 46237925, 138713775]

約数ペア:

[(1, 138713775), (3, 46237925), (5, 27742755), (15, 9247585), (19, 7300725), (25, 5548551), (57, 2433575), (75, 1849517), (95, 1460145), (285, 486715), (311, 446025), (313, 443175), (475, 292029), (933, 148675), (939, 147725), (1425, 97343), (1555, 89205), (1565, 88635), (4665, 29735), (4695, 29545), (5909, 23475), (5947, 23325), (7775, 17841), (7825, 17727)]