81173826

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{4597}}^1$

素因数の和:4720

約数の個数: 40

約数和(自身を含む): 183598140

約数和(自身を除く): 102424314

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1962, 2943, 4597, 5886, 8829, 9194, 13791, 17658, 27582, 41373, 82746, 124119, 248238, 372357, 501073, 744714, 1002146, 1503219, 3006438, 4509657, 9019314, 13528971, 27057942, 40586913, 81173826]

約数ペア:

[(1, 81173826), (2, 40586913), (3, 27057942), (6, 13528971), (9, 9019314), (18, 4509657), (27, 3006438), (54, 1503219), (81, 1002146), (109, 744714), (162, 501073), (218, 372357), (327, 248238), (654, 124119), (981, 82746), (1962, 41373), (2943, 27582), (4597, 17658), (5886, 13791), (8829, 9194)]