64205325

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 119655040

約数和(自身を除く): 55449715

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 657, 675, 1095, 1303, 1825, 1971, 3285, 3909, 5475, 6515, 9855, 11727, 16425, 19545, 32575, 35181, 49275, 58635, 95119, 97725, 175905, 285357, 293175, 475595, 856071, 879525, 1426785, 2377975, 2568213, 4280355, 7133925, 12841065, 21401775, 64205325]

約数ペア:

[(1, 64205325), (3, 21401775), (5, 12841065), (9, 7133925), (15, 4280355), (25, 2568213), (27, 2377975), (45, 1426785), (73, 879525), (75, 856071), (135, 475595), (219, 293175), (225, 285357), (365, 175905), (657, 97725), (675, 95119), (1095, 58635), (1303, 49275), (1825, 35181), (1971, 32575), (3285, 19545), (3909, 16425), (5475, 11727), (6515, 9855)]