87390405

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 163225920

約数和(自身を除く): 75835515

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2377, 2451, 4085, 7131, 7353, 11885, 12255, 21393, 35655, 36765, 45163, 102211, 106965, 135489, 225815, 306633, 406467, 511055, 677445, 919899, 1533165, 1942009, 2032335, 4599495, 5826027, 9710045, 17478081, 29130135, 87390405]

約数ペア:

[(1, 87390405), (3, 29130135), (5, 17478081), (9, 9710045), (15, 5826027), (19, 4599495), (43, 2032335), (45, 1942009), (57, 1533165), (95, 919899), (129, 677445), (171, 511055), (215, 406467), (285, 306633), (387, 225815), (645, 135489), (817, 106965), (855, 102211), (1935, 45163), (2377, 36765), (2451, 35655), (4085, 21393), (7131, 12255), (7353, 11885)]