72121005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 137090304

約数和(自身を除く): 64969299

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 367, 397, 495, 1101, 1191, 1835, 1985, 3303, 3573, 4037, 4367, 5505, 5955, 12111, 13101, 16515, 17865, 20185, 21835, 36333, 39303, 60555, 65505, 145699, 181665, 196515, 437097, 728495, 1311291, 1602689, 2185485, 4808067, 6556455, 8013445, 14424201, 24040335, 72121005]

約数ペア:

[(1, 72121005), (3, 24040335), (5, 14424201), (9, 8013445), (11, 6556455), (15, 4808067), (33, 2185485), (45, 1602689), (55, 1311291), (99, 728495), (165, 437097), (367, 196515), (397, 181665), (495, 145699), (1101, 65505), (1191, 60555), (1835, 39303), (1985, 36333), (3303, 21835), (3573, 20185), (4037, 17865), (4367, 16515), (5505, 13101), (5955, 12111)]