208568655

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23059}}^1$

素因数の和:23140

約数の個数: 32

約数和(自身を含む): 376339200

約数和(自身を除く): 167770545

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 23059, 69177, 115295, 207531, 345885, 622593, 1037655, 1544953, 3112965, 4634859, 7724765, 13904577, 23174295, 41713731, 69522885, 208568655]

約数ペア:

[(1, 208568655), (3, 69522885), (5, 41713731), (9, 23174295), (15, 13904577), (27, 7724765), (45, 4634859), (67, 3112965), (135, 1544953), (201, 1037655), (335, 622593), (603, 345885), (1005, 207531), (1809, 115295), (3015, 69177), (9045, 23059)]