6649305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 11981376

約数和(自身を除く): 5332071

約数列:

[1, 3, 5, 13, 15, 39, 43, 61, 65, 129, 169, 183, 195, 215, 305, 507, 559, 645, 793, 845, 915, 1677, 2379, 2535, 2623, 2795, 3965, 7267, 7869, 8385, 10309, 11895, 13115, 21801, 30927, 34099, 36335, 39345, 51545, 102297, 109005, 154635, 170495, 443287, 511485, 1329861, 2216435, 6649305]

約数ペア:

[(1, 6649305), (3, 2216435), (5, 1329861), (13, 511485), (15, 443287), (39, 170495), (43, 154635), (61, 109005), (65, 102297), (129, 51545), (169, 39345), (183, 36335), (195, 34099), (215, 30927), (305, 21801), (507, 13115), (559, 11895), (645, 10309), (793, 8385), (845, 7869), (915, 7267), (1677, 3965), (2379, 2795), (2535, 2623)]