842205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 1661184

約数和(自身を除く): 818979

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 617, 1365, 1851, 3085, 4319, 8021, 9255, 12957, 21595, 24063, 40105, 56147, 64785, 120315, 168441, 280735, 842205]

約数ペア:

[(1, 842205), (3, 280735), (5, 168441), (7, 120315), (13, 64785), (15, 56147), (21, 40105), (35, 24063), (39, 21595), (65, 12957), (91, 9255), (105, 8021), (195, 4319), (273, 3085), (455, 1851), (617, 1365)]