65657925

素因数分解:

$3^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 121450560

約数和(自身を除く): 55792635

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 211, 225, 461, 633, 675, 1055, 1383, 1899, 2305, 3165, 4149, 5275, 5697, 6915, 9495, 11525, 12447, 15825, 20745, 28485, 34575, 47475, 62235, 97271, 103725, 142425, 291813, 311175, 486355, 875439, 1459065, 2431775, 2626317, 4377195, 7295325, 13131585, 21885975, 65657925]

約数ペア:

[(1, 65657925), (3, 21885975), (5, 13131585), (9, 7295325), (15, 4377195), (25, 2626317), (27, 2431775), (45, 1459065), (75, 875439), (135, 486355), (211, 311175), (225, 291813), (461, 142425), (633, 103725), (675, 97271), (1055, 62235), (1383, 47475), (1899, 34575), (2305, 28485), (3165, 20745), (4149, 15825), (5275, 12447), (5697, 11525), (6915, 9495)]