217823907

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3371}}^1$

素因数の和:3579

約数の個数: 32

約数和(自身を含む): 353493504

約数和(自身を除く): 135669597

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 357, 543, 1267, 3077, 3371, 3801, 9231, 10113, 21539, 23597, 57307, 64617, 70791, 171921, 401149, 610151, 1203447, 1830453, 4271057, 10372567, 12813171, 31117701, 72607969, 217823907]

約数ペア:

[(1, 217823907), (3, 72607969), (7, 31117701), (17, 12813171), (21, 10372567), (51, 4271057), (119, 1830453), (181, 1203447), (357, 610151), (543, 401149), (1267, 171921), (3077, 70791), (3371, 64617), (3801, 57307), (9231, 23597), (10113, 21539)]