228973521

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{19717}}^1$

素因数の和:19813

約数の個数: 24

約数和(自身を含む): 359656320

約数和(自身を除く): 130682799

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 19717, 59151, 138019, 414057, 966133, 1557643, 2898399, 4672929, 10903501, 32710503, 76324507, 228973521]

約数ペア:

[(1, 228973521), (3, 76324507), (7, 32710503), (21, 10903501), (49, 4672929), (79, 2898399), (147, 1557643), (237, 966133), (553, 414057), (1659, 138019), (3871, 59151), (11613, 19717)]