81751941

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 121465344

約数和(自身を除く): 39713403

約数列:

[1, 3, 9, 47, 141, 157, 423, 471, 1231, 1413, 3693, 7379, 11079, 22137, 57857, 66411, 173571, 193267, 520713, 579801, 1739403, 9083549, 27250647, 81751941]

約数ペア:

[(1, 81751941), (3, 27250647), (9, 9083549), (47, 1739403), (141, 579801), (157, 520713), (423, 193267), (471, 173571), (1231, 66411), (1413, 57857), (3693, 22137), (7379, 11079)]