61638345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 113976720

約数和(自身を除く): 52338375

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 197, 255, 409, 591, 765, 985, 1227, 1773, 2045, 2955, 3349, 3681, 6135, 6953, 8865, 10047, 16745, 18405, 20859, 30141, 34765, 50235, 62577, 80573, 104295, 150705, 241719, 312885, 402865, 725157, 1208595, 1369741, 3625785, 4109223, 6848705, 12327669, 20546115, 61638345]

約数ペア:

[(1, 61638345), (3, 20546115), (5, 12327669), (9, 6848705), (15, 4109223), (17, 3625785), (45, 1369741), (51, 1208595), (85, 725157), (153, 402865), (197, 312885), (255, 241719), (409, 150705), (591, 104295), (765, 80573), (985, 62577), (1227, 50235), (1773, 34765), (2045, 30141), (2955, 20859), (3349, 18405), (3681, 16745), (6135, 10047), (6953, 8865)]