998025

素因数分解:

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

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 1886784

約数和(自身を除く): 888759

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 1901, 5703, 9505, 13307, 28515, 39921, 47525, 66535, 142575, 199605, 332675, 998025]

約数ペア:

[(1, 998025), (3, 332675), (5, 199605), (7, 142575), (15, 66535), (21, 47525), (25, 39921), (35, 28515), (75, 13307), (105, 9505), (175, 5703), (525, 1901)]