71291715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 131880960

約数和(自身を除く): 60589245

約数列:

[1, 3, 5, 11, 15, 29, 33, 47, 55, 87, 141, 145, 165, 235, 317, 319, 435, 517, 705, 951, 957, 1363, 1551, 1585, 1595, 2585, 3487, 4089, 4755, 4785, 6815, 7755, 9193, 10461, 14899, 14993, 17435, 20445, 27579, 44697, 44979, 45965, 52305, 74495, 74965, 101123, 137895, 163889, 223485, 224895, 303369, 432071, 491667, 505615, 819445, 1296213, 1516845, 2160355, 2458335, 4752781, 6481065, 14258343, 23763905, 71291715]

約数ペア:

[(1, 71291715), (3, 23763905), (5, 14258343), (11, 6481065), (15, 4752781), (29, 2458335), (33, 2160355), (47, 1516845), (55, 1296213), (87, 819445), (141, 505615), (145, 491667), (165, 432071), (235, 303369), (317, 224895), (319, 223485), (435, 163889), (517, 137895), (705, 101123), (951, 74965), (957, 74495), (1363, 52305), (1551, 45965), (1585, 44979), (1595, 44697), (2585, 27579), (3487, 20445), (4089, 17435), (4755, 14993), (4785, 14899), (6815, 10461), (7755, 9193)]