208645761

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 295206912

約数和(自身を除く): 86561151

約数列:

[1, 3, 41, 43, 103, 123, 129, 309, 383, 1149, 1763, 4223, 4429, 5289, 12669, 13287, 15703, 16469, 39449, 47109, 49407, 118347, 181589, 544767, 675229, 1617409, 1696307, 2025687, 4852227, 5088921, 69548587, 208645761]

約数ペア:

[(1, 208645761), (3, 69548587), (41, 5088921), (43, 4852227), (103, 2025687), (123, 1696307), (129, 1617409), (309, 675229), (383, 544767), (1149, 181589), (1763, 118347), (4223, 49407), (4429, 47109), (5289, 39449), (12669, 16469), (13287, 15703)]