18153693

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 29729280

約数和(自身を除く): 11575587

約数列:

[1, 3, 9, 23, 27, 31, 41, 69, 93, 123, 207, 279, 369, 529, 621, 713, 837, 943, 1107, 1271, 1587, 2139, 2829, 3813, 4761, 6417, 8487, 11439, 14283, 16399, 19251, 21689, 25461, 29233, 34317, 49197, 65067, 87699, 147591, 195201, 263097, 442773, 585603, 672359, 789291, 2017077, 6051231, 18153693]

約数ペア:

[(1, 18153693), (3, 6051231), (9, 2017077), (23, 789291), (27, 672359), (31, 585603), (41, 442773), (69, 263097), (93, 195201), (123, 147591), (207, 87699), (279, 65067), (369, 49197), (529, 34317), (621, 29233), (713, 25461), (837, 21689), (943, 19251), (1107, 16399), (1271, 14283), (1587, 11439), (2139, 8487), (2829, 6417), (3813, 4761)]