211671993

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{4691}}^1$

素因数の和:4809

約数の個数: 24

約数和(自身を含む): 309108960

約数和(自身を除く): 97436967

約数列:

[1, 3, 13, 39, 89, 169, 267, 507, 1157, 3471, 4691, 14073, 15041, 45123, 60983, 182949, 417499, 792779, 1252497, 2378337, 5427487, 16282461, 70557331, 211671993]

約数ペア:

[(1, 211671993), (3, 70557331), (13, 16282461), (39, 5427487), (89, 2378337), (169, 1252497), (267, 792779), (507, 417499), (1157, 182949), (3471, 60983), (4691, 45123), (14073, 15041)]