8395821

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 14062464

約数和(自身を除く): 5666643

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1877, 4473, 5631, 13139, 16893, 39417, 118251, 133267, 399801, 932869, 1199403, 2798607, 8395821]

約数ペア:

[(1, 8395821), (3, 2798607), (7, 1199403), (9, 932869), (21, 399801), (63, 133267), (71, 118251), (213, 39417), (497, 16893), (639, 13139), (1491, 5631), (1877, 4473)]