31620663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 48623328

約数和(自身を除く): 17002665

約数列:

[1, 3, 9, 17, 51, 153, 233, 699, 887, 2097, 2661, 3961, 7983, 11883, 15079, 35649, 45237, 135711, 206671, 620013, 1860039, 3513407, 10540221, 31620663]

約数ペア:

[(1, 31620663), (3, 10540221), (9, 3513407), (17, 1860039), (51, 620013), (153, 206671), (233, 135711), (699, 45237), (887, 35649), (2097, 15079), (2661, 11883), (3961, 7983)]