651007617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{2477}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 979147008

約数和(自身を除く): 328139391

約数列:

[1, 3, 13, 23, 39, 69, 293, 299, 879, 897, 2477, 3809, 6739, 7431, 11427, 20217, 32201, 56971, 87607, 96603, 170913, 262821, 725761, 740623, 2177283, 2221869, 9434893, 16692503, 28304679, 50077509, 217002539, 651007617]

約数ペア:

[(1, 651007617), (3, 217002539), (13, 50077509), (23, 28304679), (39, 16692503), (69, 9434893), (293, 2221869), (299, 2177283), (879, 740623), (897, 725761), (2477, 262821), (3809, 170913), (6739, 96603), (7431, 87607), (11427, 56971), (20217, 32201)]