647599407

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{2351}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 1064232960

約数和(自身を除く): 416633553

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1009, 2351, 3027, 7053, 7063, 13117, 16457, 21189, 30563, 39351, 49371, 91689, 91819, 213941, 275457, 641823, 2372159, 7116477, 16605113, 30838067, 49815339, 92514201, 215866469, 647599407]

約数ペア:

[(1, 647599407), (3, 215866469), (7, 92514201), (13, 49815339), (21, 30838067), (39, 16605113), (91, 7116477), (273, 2372159), (1009, 641823), (2351, 275457), (3027, 213941), (7053, 91819), (7063, 91689), (13117, 49371), (16457, 39351), (21189, 30563)]