20177181

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14653}}^1$

素因数の和:14682

約数の個数: 20

約数和(自身を含む): 31916412

約数和(自身を除く): 11739231

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14653, 43959, 131877, 249101, 395631, 747303, 1186893, 2241909, 6725727, 20177181]

約数ペア:

[(1, 20177181), (3, 6725727), (9, 2241909), (17, 1186893), (27, 747303), (51, 395631), (81, 249101), (153, 131877), (459, 43959), (1377, 14653)]