23867775

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 45574464

約数和(自身を除く): 21706689

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 47, 61, 75, 111, 141, 183, 185, 225, 235, 305, 333, 423, 549, 555, 705, 915, 925, 1175, 1525, 1665, 1739, 2115, 2257, 2745, 2775, 2867, 3525, 4575, 5217, 6771, 8325, 8601, 8695, 10575, 11285, 13725, 14335, 15651, 20313, 25803, 26085, 33855, 43005, 43475, 56425, 71675, 78255, 101565, 106079, 129015, 130425, 169275, 215025, 318237, 391275, 507825, 530395, 645075, 954711, 1591185, 2651975, 4773555, 7955925, 23867775]

約数ペア:

[(1, 23867775), (3, 7955925), (5, 4773555), (9, 2651975), (15, 1591185), (25, 954711), (37, 645075), (45, 530395), (47, 507825), (61, 391275), (75, 318237), (111, 215025), (141, 169275), (183, 130425), (185, 129015), (225, 106079), (235, 101565), (305, 78255), (333, 71675), (423, 56425), (549, 43475), (555, 43005), (705, 33855), (915, 26085), (925, 25803), (1175, 20313), (1525, 15651), (1665, 14335), (1739, 13725), (2115, 11285), (2257, 10575), (2745, 8695), (2775, 8601), (2867, 8325), (3525, 6771), (4575, 5217)]