25590663

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21379}}^1$

素因数の和:21411

約数の個数: 24

約数和(自身を含む): 44470400

約数和(自身を除く): 18879737

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21379, 64137, 149653, 192411, 406201, 448959, 1218603, 1346877, 2843407, 3655809, 8530221, 25590663]

約数ペア:

[(1, 25590663), (3, 8530221), (7, 3655809), (9, 2843407), (19, 1346877), (21, 1218603), (57, 448959), (63, 406201), (133, 192411), (171, 149653), (399, 64137), (1197, 21379)]