805212513

素因数分解:

$3^2\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{9391}}^1$

素因数の和:10765

約数の個数: 24

約数和(自身を含む): 1330358016

約数和(自身を除く): 525145503

約数列:

[1, 3, 7, 9, 21, 63, 1361, 4083, 9391, 9527, 12249, 28173, 28581, 65737, 84519, 85743, 197211, 591633, 12781151, 38343453, 89468057, 115030359, 268404171, 805212513]

約数ペア:

[(1, 805212513), (3, 268404171), (7, 115030359), (9, 89468057), (21, 38343453), (63, 12781151), (1361, 591633), (4083, 197211), (9391, 85743), (9527, 84519), (12249, 65737), (28173, 28581)]