221342511

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{14083}}^1$

素因数の和:14143

約数の個数: 24

約数和(自身を含む): 329903616

約数和(自身を除く): 108561105

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 5239, 14083, 15717, 42249, 183079, 436573, 549237, 1309719, 2380027, 5675449, 7140081, 17026347, 73780837, 221342511]

約数ペア:

[(1, 221342511), (3, 73780837), (13, 17026347), (31, 7140081), (39, 5675449), (93, 2380027), (169, 1309719), (403, 549237), (507, 436573), (1209, 183079), (5239, 42249), (14083, 15717)]