221539227

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{62423}}^1$

素因数の和:62459

約数の個数: 24

約数和(自身を含む): 365554944

約数和(自身を除く): 144015717

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 62423, 187269, 436961, 811499, 1310883, 2434497, 5680493, 10549487, 17041479, 31648461, 73846409, 221539227]

約数ペア:

[(1, 221539227), (3, 73846409), (7, 31648461), (13, 17041479), (21, 10549487), (39, 5680493), (91, 2434497), (169, 1310883), (273, 811499), (507, 436961), (1183, 187269), (3549, 62423)]