64690245

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 119508480

約数和(自身を除く): 54818235

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 999, 1215, 1439, 1665, 2997, 4317, 4995, 7195, 8991, 12951, 14985, 21585, 38853, 44955, 53243, 64755, 116559, 159729, 194265, 266215, 349677, 479187, 582795, 798645, 1437561, 1748385, 2395935, 4312683, 7187805, 12938049, 21563415, 64690245]

約数ペア:

[(1, 64690245), (3, 21563415), (5, 12938049), (9, 7187805), (15, 4312683), (27, 2395935), (37, 1748385), (45, 1437561), (81, 798645), (111, 582795), (135, 479187), (185, 349677), (243, 266215), (333, 194265), (405, 159729), (555, 116559), (999, 64755), (1215, 53243), (1439, 44955), (1665, 38853), (2997, 21585), (4317, 14985), (4995, 12951), (7195, 8991)]