1245778857

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{739}}^1\times {\mathrm{1931}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 1821412320

約数和(自身を除く): 575633463

約数列:

[1, 3, 9, 97, 291, 739, 873, 1931, 2217, 5793, 6651, 17379, 71683, 187307, 215049, 561921, 645147, 1427009, 1685763, 4281027, 12843081, 138419873, 415259619, 1245778857]

約数ペア:

[(1, 1245778857), (3, 415259619), (9, 138419873), (97, 12843081), (291, 4281027), (739, 1685763), (873, 1427009), (1931, 645147), (2217, 561921), (5793, 215049), (6651, 187307), (17379, 71683)]