81451278

素因数分解:

$2^1\times 3^3\times {\mathrm{1013}}^1\times {\mathrm{1489}}^1$

素因数の和:2513

約数の個数: 32

約数和(自身を含む): 181303200

約数和(自身を除く): 99851922

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1013, 1489, 2026, 2978, 3039, 4467, 6078, 8934, 9117, 13401, 18234, 26802, 27351, 40203, 54702, 80406, 1508357, 3016714, 4525071, 9050142, 13575213, 27150426, 40725639, 81451278]

約数ペア:

[(1, 81451278), (2, 40725639), (3, 27150426), (6, 13575213), (9, 9050142), (18, 4525071), (27, 3016714), (54, 1508357), (1013, 80406), (1489, 54702), (2026, 40203), (2978, 27351), (3039, 26802), (4467, 18234), (6078, 13401), (8934, 9117)]