64978875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 129467520

約数和(自身を除く): 64488645

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 675, 975, 1125, 1481, 1625, 1755, 2925, 3375, 4443, 4875, 7405, 8775, 13329, 14625, 19253, 22215, 37025, 39987, 43875, 57759, 66645, 96265, 111075, 173277, 185125, 199935, 288795, 333225, 481325, 519831, 555375, 866385, 999675, 1443975, 1666125, 2406625, 2599155, 4331925, 4998375, 7219875, 12995775, 21659625, 64978875]

約数ペア:

[(1, 64978875), (3, 21659625), (5, 12995775), (9, 7219875), (13, 4998375), (15, 4331925), (25, 2599155), (27, 2406625), (39, 1666125), (45, 1443975), (65, 999675), (75, 866385), (117, 555375), (125, 519831), (135, 481325), (195, 333225), (225, 288795), (325, 199935), (351, 185125), (375, 173277), (585, 111075), (675, 96265), (975, 66645), (1125, 57759), (1481, 43875), (1625, 39987), (1755, 37025), (2925, 22215), (3375, 19253), (4443, 14625), (4875, 13329), (7405, 8775)]