1225647

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 1916928

約数和(自身を除く): 691281

約数列:

[1, 3, 9, 23, 31, 69, 93, 191, 207, 279, 573, 713, 1719, 2139, 4393, 5921, 6417, 13179, 17763, 39537, 53289, 136183, 408549, 1225647]

約数ペア:

[(1, 1225647), (3, 408549), (9, 136183), (23, 53289), (31, 39537), (69, 17763), (93, 13179), (191, 6417), (207, 5921), (279, 4393), (573, 2139), (713, 1719)]