205591491

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{4937}}^1$

素因数の和:5611

約数の個数: 24

約数和(自身を含む): 339971424

約数和(自身を除く): 134379933

約数列:

[1, 3, 7, 9, 21, 63, 661, 1983, 4627, 4937, 5949, 13881, 14811, 34559, 41643, 44433, 103677, 311031, 3263357, 9790071, 22843499, 29370213, 68530497, 205591491]

約数ペア:

[(1, 205591491), (3, 68530497), (7, 29370213), (9, 22843499), (21, 9790071), (63, 3263357), (661, 311031), (1983, 103677), (4627, 44433), (4937, 41643), (5949, 34559), (13881, 14811)]