81547893

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 139531392

約数和(自身を除く): 57983499

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 131, 241, 287, 369, 393, 723, 861, 917, 1179, 1687, 2169, 2583, 2751, 5061, 5371, 8253, 9881, 15183, 16113, 29643, 31571, 37597, 48339, 69167, 88929, 94713, 112791, 207501, 220997, 284139, 338373, 622503, 662991, 1294411, 1988973, 3883233, 9060877, 11649699, 27182631, 81547893]

約数ペア:

[(1, 81547893), (3, 27182631), (7, 11649699), (9, 9060877), (21, 3883233), (41, 1988973), (63, 1294411), (123, 662991), (131, 622503), (241, 338373), (287, 284139), (369, 220997), (393, 207501), (723, 112791), (861, 94713), (917, 88929), (1179, 69167), (1687, 48339), (2169, 37597), (2583, 31571), (2751, 29643), (5061, 16113), (5371, 15183), (8253, 9881)]