209027505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 348566400

約数和(自身を除く): 139538895

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 417, 435, 695, 2085, 3457, 4031, 10371, 12093, 17285, 20155, 51855, 60465, 100253, 300759, 480523, 501265, 1441569, 1503795, 2402615, 7207845, 13935167, 41805501, 69675835, 209027505]

約数ペア:

[(1, 209027505), (3, 69675835), (5, 41805501), (15, 13935167), (29, 7207845), (87, 2402615), (139, 1503795), (145, 1441569), (417, 501265), (435, 480523), (695, 300759), (2085, 100253), (3457, 60465), (4031, 51855), (10371, 20155), (12093, 17285)]