51661521

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^2\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 81202212

約数和(自身を除く): 29540691

約数列:

[1, 3, 9, 17, 51, 59, 97, 153, 177, 291, 531, 873, 1003, 1649, 3009, 3481, 4947, 5723, 9027, 10443, 14841, 17169, 31329, 51507, 59177, 97291, 177531, 291873, 337657, 532593, 875619, 1012971, 3038913, 5740169, 17220507, 51661521]

約数ペア:

[(1, 51661521), (3, 17220507), (9, 5740169), (17, 3038913), (51, 1012971), (59, 875619), (97, 532593), (153, 337657), (177, 291873), (291, 177531), (531, 97291), (873, 59177), (1003, 51507), (1649, 31329), (3009, 17169), (3481, 14841), (4947, 10443), (5723, 9027)]