2720455857

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4751}}^1$

素因数の和:4974

約数の個数: 48

約数和(自身を含む): 4596134400

約数和(自身を除く): 1875678543

約数列:

[1, 3, 7, 9, 21, 61, 63, 149, 183, 427, 447, 549, 1043, 1281, 1341, 3129, 3843, 4751, 9089, 9387, 14253, 27267, 33257, 42759, 63623, 81801, 99771, 190869, 289811, 299313, 572607, 707899, 869433, 2028677, 2123697, 2608299, 4955293, 6086031, 6371091, 14865879, 18258093, 43181839, 44597637, 129545517, 302272873, 388636551, 906818619, 2720455857]

約数ペア:

[(1, 2720455857), (3, 906818619), (7, 388636551), (9, 302272873), (21, 129545517), (61, 44597637), (63, 43181839), (149, 18258093), (183, 14865879), (427, 6371091), (447, 6086031), (549, 4955293), (1043, 2608299), (1281, 2123697), (1341, 2028677), (3129, 869433), (3843, 707899), (4751, 572607), (9089, 299313), (9387, 289811), (14253, 190869), (27267, 99771), (33257, 81801), (42759, 63623)]