225545913

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 331568640

約数和(自身を除く): 106022727

約数列:

[1, 3, 9, 71, 213, 409, 639, 863, 1227, 2589, 3681, 7767, 29039, 61273, 87117, 183819, 261351, 352967, 551457, 1058901, 3176703, 25060657, 75181971, 225545913]

約数ペア:

[(1, 225545913), (3, 75181971), (9, 25060657), (71, 3176703), (213, 1058901), (409, 551457), (639, 352967), (863, 261351), (1227, 183819), (2589, 87117), (3681, 61273), (7767, 29039)]