201621381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4241}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 307867392

約数和(自身を除く): 106246011

約数列:

[1, 3, 13, 23, 39, 53, 69, 159, 299, 689, 897, 1219, 2067, 3657, 4241, 12723, 15847, 47541, 55133, 97543, 165399, 224773, 292629, 674319, 1268059, 2922049, 3804177, 5169779, 8766147, 15509337, 67207127, 201621381]

約数ペア:

[(1, 201621381), (3, 67207127), (13, 15509337), (23, 8766147), (39, 5169779), (53, 3804177), (69, 2922049), (159, 1268059), (299, 674319), (689, 292629), (897, 224773), (1219, 165399), (2067, 97543), (3657, 55133), (4241, 47541), (12723, 15847)]