211234473

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{9623}}^1$

素因数の和:9906

約数の個数: 20

約数和(自身を含む): 316745088

約数和(自身を除く): 105510615

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 9623, 21951, 28869, 86607, 259821, 779463, 2607833, 7823499, 23470497, 70411491, 211234473]

約数ペア:

[(1, 211234473), (3, 70411491), (9, 23470497), (27, 7823499), (81, 2607833), (271, 779463), (813, 259821), (2439, 86607), (7317, 28869), (9623, 21951)]