157217235

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{213901}}^1$

素因数の和:213923

約数の個数: 24

約数和(自身を含む): 292617936

約数和(自身を除く): 135400701

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 213901, 641703, 1069505, 1497307, 3208515, 4491921, 7486535, 10481149, 22459605, 31443447, 52405745, 157217235]

約数ペア:

[(1, 157217235), (3, 52405745), (5, 31443447), (7, 22459605), (15, 10481149), (21, 7486535), (35, 4491921), (49, 3208515), (105, 1497307), (147, 1069505), (245, 641703), (735, 213901)]