728377785

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{49499}}^1$

素因数の和:49622

約数の個数: 32

約数和(自身を含む): 1306800000

約数和(自身を除く): 578422215

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 14715, 49499, 148497, 247495, 445491, 742485, 1336473, 2227455, 5395391, 6682365, 16186173, 26976955, 48558519, 80930865, 145675557, 242792595, 728377785]

約数ペア:

[(1, 728377785), (3, 242792595), (5, 145675557), (9, 80930865), (15, 48558519), (27, 26976955), (45, 16186173), (109, 6682365), (135, 5395391), (327, 2227455), (545, 1336473), (981, 742485), (1635, 445491), (2943, 247495), (4905, 148497), (14715, 49499)]