208161615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{2243}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 348986880

約数和(自身を除く): 140825265

約数列:

[1, 3, 5, 15, 23, 69, 115, 269, 345, 807, 1345, 2243, 4035, 6187, 6729, 11215, 18561, 30935, 33645, 51589, 92805, 154767, 257945, 603367, 773835, 1810101, 3016835, 9050505, 13877441, 41632323, 69387205, 208161615]

約数ペア:

[(1, 208161615), (3, 69387205), (5, 41632323), (15, 13877441), (23, 9050505), (69, 3016835), (115, 1810101), (269, 773835), (345, 603367), (807, 257945), (1345, 154767), (2243, 92805), (4035, 51589), (6187, 33645), (6729, 30935), (11215, 18561)]