201721651

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{1049}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 220500000

約数和(自身を除く): 18778349

約数列:

[1, 19, 29, 349, 551, 1049, 6631, 10121, 19931, 30421, 192299, 366101, 577999, 6955919, 10616929, 201721651]

約数ペア:

[(1, 201721651), (19, 10616929), (29, 6955919), (349, 577999), (551, 366101), (1049, 192299), (6631, 30421), (10121, 19931)]