99970437

素因数分解:

$3^1\times 7^4\times {\mathrm{13879}}^1$

素因数の和:13910

約数の個数: 20

約数和(自身を含む): 155511520

約数和(自身を除く): 55541083

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 13879, 41637, 97153, 291459, 680071, 2040213, 4760497, 14281491, 33323479, 99970437]

約数ペア:

[(1, 99970437), (3, 33323479), (7, 14281491), (21, 4760497), (49, 2040213), (147, 680071), (343, 291459), (1029, 97153), (2401, 41637), (7203, 13879)]