80904525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 145199040

約数和(自身を除く): 64294515

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 491, 507, 845, 975, 1473, 2197, 2455, 2535, 4225, 6383, 6591, 7365, 10985, 12275, 12675, 19149, 31915, 32955, 36825, 54925, 82979, 95745, 159575, 164775, 248937, 414895, 478725, 1078727, 1244685, 2074475, 3236181, 5393635, 6223425, 16180905, 26968175, 80904525]

約数ペア:

[(1, 80904525), (3, 26968175), (5, 16180905), (13, 6223425), (15, 5393635), (25, 3236181), (39, 2074475), (65, 1244685), (75, 1078727), (169, 478725), (195, 414895), (325, 248937), (491, 164775), (507, 159575), (845, 95745), (975, 82979), (1473, 54925), (2197, 36825), (2455, 32955), (2535, 31915), (4225, 19149), (6383, 12675), (6591, 12275), (7365, 10985)]