208840455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{160031}}^1$

素因数の和:160071

約数の個数: 24

約数和(自身を含む): 374474880

約数和(自身を除く): 165634425

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 160031, 480093, 800155, 1440279, 2400465, 4640899, 7201395, 13922697, 23204495, 41768091, 69613485, 208840455]

約数ペア:

[(1, 208840455), (3, 69613485), (5, 41768091), (9, 23204495), (15, 13922697), (29, 7201395), (45, 4640899), (87, 2400465), (145, 1440279), (261, 800155), (435, 480093), (1305, 160031)]