64542075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 117180000

約数和(自身を除く): 52637925

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 689, 795, 975, 1249, 1325, 2067, 3445, 3747, 3975, 6245, 10335, 16237, 17225, 18735, 31225, 48711, 51675, 66197, 81185, 93675, 198591, 243555, 330985, 405925, 860561, 992955, 1217775, 1654925, 2581683, 4302805, 4964775, 12908415, 21514025, 64542075]

約数ペア:

[(1, 64542075), (3, 21514025), (5, 12908415), (13, 4964775), (15, 4302805), (25, 2581683), (39, 1654925), (53, 1217775), (65, 992955), (75, 860561), (159, 405925), (195, 330985), (265, 243555), (325, 198591), (689, 93675), (795, 81185), (975, 66197), (1249, 51675), (1325, 48711), (2067, 31225), (3445, 18735), (3747, 17225), (3975, 16237), (6245, 10335)]