8215785

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 15030288

約数和(自身を除く): 6814503

約数列:

[1, 3, 5, 9, 15, 41, 45, 61, 73, 123, 183, 205, 219, 305, 365, 369, 549, 615, 657, 915, 1095, 1845, 2501, 2745, 2993, 3285, 4453, 7503, 8979, 12505, 13359, 14965, 22265, 22509, 26937, 37515, 40077, 44895, 66795, 112545, 134685, 182573, 200385, 547719, 912865, 1643157, 2738595, 8215785]

約数ペア:

[(1, 8215785), (3, 2738595), (5, 1643157), (9, 912865), (15, 547719), (41, 200385), (45, 182573), (61, 134685), (73, 112545), (123, 66795), (183, 44895), (205, 40077), (219, 37515), (305, 26937), (365, 22509), (369, 22265), (549, 14965), (615, 13359), (657, 12505), (915, 8979), (1095, 7503), (1845, 4453), (2501, 3285), (2745, 2993)]