64540575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 127960560

約数和(自身を除く): 63419985

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 165, 225, 267, 275, 293, 445, 495, 801, 825, 879, 979, 1335, 1465, 2225, 2475, 2637, 2937, 3223, 4005, 4395, 4895, 6675, 7325, 8811, 9669, 13185, 14685, 16115, 20025, 21975, 24475, 26077, 29007, 44055, 48345, 65925, 73425, 78231, 80575, 130385, 145035, 220275, 234693, 241725, 286847, 391155, 651925, 725175, 860541, 1173465, 1434235, 1955775, 2581623, 4302705, 5867325, 7171175, 12908115, 21513525, 64540575]

約数ペア:

[(1, 64540575), (3, 21513525), (5, 12908115), (9, 7171175), (11, 5867325), (15, 4302705), (25, 2581623), (33, 1955775), (45, 1434235), (55, 1173465), (75, 860541), (89, 725175), (99, 651925), (165, 391155), (225, 286847), (267, 241725), (275, 234693), (293, 220275), (445, 145035), (495, 130385), (801, 80575), (825, 78231), (879, 73425), (979, 65925), (1335, 48345), (1465, 44055), (2225, 29007), (2475, 26077), (2637, 24475), (2937, 21975), (3223, 20025), (4005, 16115), (4395, 14685), (4895, 13185), (6675, 9669), (7325, 8811)]