647007249

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1\times {\mathrm{719}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 1002516480

約数和(自身を除く): 355509231

約数列:

[1, 3, 7, 21, 73, 219, 511, 587, 719, 1533, 1761, 2157, 4109, 5033, 12327, 15099, 42851, 52487, 128553, 157461, 299957, 367409, 422053, 899871, 1102227, 1266159, 2954371, 8863113, 30809869, 92429607, 215669083, 647007249]

約数ペア:

[(1, 647007249), (3, 215669083), (7, 92429607), (21, 30809869), (73, 8863113), (219, 2954371), (511, 1266159), (587, 1102227), (719, 899871), (1533, 422053), (1761, 367409), (2157, 299957), (4109, 157461), (5033, 128553), (12327, 52487), (15099, 42851)]