64707741

素因数分解:

$3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 112112000

約数和(自身を除く): 47404259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 243, 327, 349, 567, 763, 981, 1047, 1701, 2289, 2443, 2943, 3141, 6867, 7329, 8829, 9423, 20601, 21987, 26487, 28269, 38041, 61803, 65961, 84807, 114123, 185409, 197883, 266287, 342369, 593649, 798861, 1027107, 2396583, 3081321, 7189749, 9243963, 21569247, 64707741]

約数ペア:

[(1, 64707741), (3, 21569247), (7, 9243963), (9, 7189749), (21, 3081321), (27, 2396583), (63, 1027107), (81, 798861), (109, 593649), (189, 342369), (243, 266287), (327, 197883), (349, 185409), (567, 114123), (763, 84807), (981, 65961), (1047, 61803), (1701, 38041), (2289, 28269), (2443, 26487), (2943, 21987), (3141, 20601), (6867, 9423), (7329, 8829)]