221457537

素因数分解:

$3^3\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{1117}}^1$

素因数の和:2182

約数の個数: 32

約数和(自身を含む): 375648000

約数和(自身を除く): 154190463

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1049, 1117, 3147, 3351, 7343, 7819, 9441, 10053, 22029, 23457, 28323, 30159, 66087, 70371, 198261, 211113, 1171733, 3515199, 8202131, 10545597, 24606393, 31636791, 73819179, 221457537]

約数ペア:

[(1, 221457537), (3, 73819179), (7, 31636791), (9, 24606393), (21, 10545597), (27, 8202131), (63, 3515199), (189, 1171733), (1049, 211113), (1117, 198261), (3147, 70371), (3351, 66087), (7343, 30159), (7819, 28323), (9441, 23457), (10053, 22029)]