208099215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{159463}}^1$

素因数の和:159503

約数の個数: 24

約数和(自身を含む): 373145760

約数和(自身を除く): 165046545

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 159463, 478389, 797315, 1435167, 2391945, 4624427, 7175835, 13873281, 23122135, 41619843, 69366405, 208099215]

約数ペア:

[(1, 208099215), (3, 69366405), (5, 41619843), (9, 23122135), (15, 13873281), (29, 7175835), (45, 4624427), (87, 2391945), (145, 1435167), (261, 797315), (435, 478389), (1305, 159463)]