128216205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3593}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 243328176

約数和(自身を除く): 115111971

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2379, 2745, 3593, 3965, 7137, 10779, 11895, 17965, 32337, 35685, 46709, 53895, 140127, 161685, 219173, 233545, 420381, 657519, 700635, 1095865, 1972557, 2101905, 2849249, 3287595, 8547747, 9862785, 14246245, 25643241, 42738735, 128216205]

約数ペア:

[(1, 128216205), (3, 42738735), (5, 25643241), (9, 14246245), (13, 9862785), (15, 8547747), (39, 3287595), (45, 2849249), (61, 2101905), (65, 1972557), (117, 1095865), (183, 700635), (195, 657519), (305, 420381), (549, 233545), (585, 219173), (793, 161685), (915, 140127), (2379, 53895), (2745, 46709), (3593, 35685), (3965, 32337), (7137, 17965), (10779, 11895)]