71181327

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 111215104

約数和(自身を除く): 40033777

約数列:

[1, 3, 7, 21, 61, 181, 183, 307, 427, 543, 921, 1267, 1281, 2149, 3801, 6447, 11041, 18727, 33123, 55567, 56181, 77287, 131089, 166701, 231861, 388969, 393267, 1166907, 3389587, 10168761, 23727109, 71181327]

約数ペア:

[(1, 71181327), (3, 23727109), (7, 10168761), (21, 3389587), (61, 1166907), (181, 393267), (183, 388969), (307, 231861), (427, 166701), (543, 131089), (921, 77287), (1267, 56181), (1281, 55567), (2149, 33123), (3801, 18727), (6447, 11041)]