212880969

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{37967}}^1$

素因数の和:38069

約数の個数: 24

約数和(自身を含む): 355380480

約数和(自身を除く): 142499511

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 37967, 113901, 265769, 341703, 797307, 2391921, 3379063, 10137189, 23653441, 30411567, 70960323, 212880969]

約数ペア:

[(1, 212880969), (3, 70960323), (7, 30411567), (9, 23653441), (21, 10137189), (63, 3379063), (89, 2391921), (267, 797307), (623, 341703), (801, 265769), (1869, 113901), (5607, 37967)]