1397235

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1901}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 2601936

約数和(自身を除く): 1204701

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1901, 5703, 9505, 13307, 28515, 39921, 66535, 93149, 199605, 279447, 465745, 1397235]

約数ペア:

[(1, 1397235), (3, 465745), (5, 279447), (7, 199605), (15, 93149), (21, 66535), (35, 39921), (49, 28515), (105, 13307), (147, 9505), (245, 5703), (735, 1901)]