220137477

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551723}}^1$

素因数の和:551752

約数の個数: 16

約数和(自身を含む): 353103360

約数和(自身を除く): 132965883

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551723, 1655169, 3862061, 10482737, 11586183, 31448211, 73379159, 220137477]

約数ペア:

[(1, 220137477), (3, 73379159), (7, 31448211), (19, 11586183), (21, 10482737), (57, 3862061), (133, 1655169), (399, 551723)]