245668521

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{377371}}^1$

素因数の和:377412

約数の個数: 16

約数和(自身を含む): 386428928

約数和(自身を除く): 140760407

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 377371, 1132113, 2641597, 7924791, 11698501, 35095503, 81889507, 245668521]

約数ペア:

[(1, 245668521), (3, 81889507), (7, 35095503), (21, 11698501), (31, 7924791), (93, 2641597), (217, 1132113), (651, 377371)]