17980377

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 6954663

約数列:

[1, 3, 29, 87, 233, 699, 887, 2661, 6757, 20271, 25723, 77169, 206671, 620013, 5993459, 17980377]

約数ペア:

[(1, 17980377), (3, 5993459), (29, 620013), (87, 206671), (233, 77169), (699, 25723), (887, 20271), (2661, 6757)]