213804903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{829}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 326289600

約数和(自身を除く): 112484697

約数列:

[1, 3, 13, 17, 39, 51, 221, 389, 663, 829, 1167, 2487, 5057, 6613, 10777, 14093, 15171, 19839, 32331, 42279, 85969, 183209, 257907, 322481, 549627, 967443, 4192253, 5482177, 12576759, 16446531, 71268301, 213804903]

約数ペア:

[(1, 213804903), (3, 71268301), (13, 16446531), (17, 12576759), (39, 5482177), (51, 4192253), (221, 967443), (389, 549627), (663, 322481), (829, 257907), (1167, 183209), (2487, 85969), (5057, 42279), (6613, 32331), (10777, 19839), (14093, 15171)]