1520663571

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131899}}^1$

素因数の和:131976

約数の個数: 32

約数和(自身を含む): 2616896000

約数和(自身を除く): 1096232429

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 131899, 395697, 923293, 1187091, 2769879, 3561273, 8045839, 8309637, 24137517, 24928911, 56320873, 72412551, 168962619, 217237653, 506887857, 1520663571]

約数ペア:

[(1, 1520663571), (3, 506887857), (7, 217237653), (9, 168962619), (21, 72412551), (27, 56320873), (61, 24928911), (63, 24137517), (183, 8309637), (189, 8045839), (427, 3561273), (549, 2769879), (1281, 1187091), (1647, 923293), (3843, 395697), (11529, 131899)]