51388218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{407843}}^1$

素因数の和:407858

約数の個数: 24

約数和(自身を含む): 127247328

約数和(自身を除く): 75859110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 407843, 815686, 1223529, 2447058, 2854901, 3670587, 5709802, 7341174, 8564703, 17129406, 25694109, 51388218]

約数ペア:

[(1, 51388218), (2, 25694109), (3, 17129406), (6, 8564703), (7, 7341174), (9, 5709802), (14, 3670587), (18, 2854901), (21, 2447058), (42, 1223529), (63, 815686), (126, 407843)]