805185

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 1446120

約数和(自身を除く): 640935

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 617, 1305, 1851, 3085, 5553, 9255, 17893, 27765, 53679, 89465, 161037, 268395, 805185]

約数ペア:

[(1, 805185), (3, 268395), (5, 161037), (9, 89465), (15, 53679), (29, 27765), (45, 17893), (87, 9255), (145, 5553), (261, 3085), (435, 1851), (617, 1305)]