213712893

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{1409}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 325540800

約数和(自身を除く): 111827907

約数列:

[1, 3, 9, 19, 57, 171, 887, 1409, 2661, 4227, 7983, 12681, 16853, 26771, 50559, 80313, 151677, 240939, 1249783, 3749349, 11248047, 23745877, 71237631, 213712893]

約数ペア:

[(1, 213712893), (3, 71237631), (9, 23745877), (19, 11248047), (57, 3749349), (171, 1249783), (887, 240939), (1409, 151677), (2661, 80313), (4227, 50559), (7983, 26771), (12681, 16853)]