28856415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6703}}^1$

素因数の和:6759

約数の個数: 32

約数和(自身を含む): 54061056

約数和(自身を除く): 25204641

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 6703, 20109, 33515, 46921, 100545, 140763, 234605, 274823, 703815, 824469, 1374115, 1923761, 4122345, 5771283, 9618805, 28856415]

約数ペア:

[(1, 28856415), (3, 9618805), (5, 5771283), (7, 4122345), (15, 1923761), (21, 1374115), (35, 824469), (41, 703815), (105, 274823), (123, 234605), (205, 140763), (287, 100545), (615, 46921), (861, 33515), (1435, 20109), (4305, 6703)]