64428975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22027}}^1$

素因数の和:22056

約数の個数: 36

約数和(自身を含む): 124281976

約数和(自身を除く): 59853001

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 22027, 66081, 110135, 198243, 286351, 330405, 550675, 859053, 991215, 1431755, 1652025, 2577159, 4295265, 4956075, 7158775, 12885795, 21476325, 64428975]

約数ペア:

[(1, 64428975), (3, 21476325), (5, 12885795), (9, 7158775), (13, 4956075), (15, 4295265), (25, 2577159), (39, 1652025), (45, 1431755), (65, 991215), (75, 859053), (117, 550675), (195, 330405), (225, 286351), (325, 198243), (585, 110135), (975, 66081), (2925, 22027)]