81644868

素因数分解:

$2^2\times 3^3\times {\mathrm{521}}^1\times {\mathrm{1451}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 212224320

約数和(自身を除く): 130579452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 521, 1042, 1451, 1563, 2084, 2902, 3126, 4353, 4689, 5804, 6252, 8706, 9378, 13059, 14067, 17412, 18756, 26118, 28134, 39177, 52236, 56268, 78354, 156708, 755971, 1511942, 2267913, 3023884, 4535826, 6803739, 9071652, 13607478, 20411217, 27214956, 40822434, 81644868]

約数ペア:

[(1, 81644868), (2, 40822434), (3, 27214956), (4, 20411217), (6, 13607478), (9, 9071652), (12, 6803739), (18, 4535826), (27, 3023884), (36, 2267913), (54, 1511942), (108, 755971), (521, 156708), (1042, 78354), (1451, 56268), (1563, 52236), (2084, 39177), (2902, 28134), (3126, 26118), (4353, 18756), (4689, 17412), (5804, 14067), (6252, 13059), (8706, 9378)]