16722855

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 40

約数和(自身を含む): 30282912

約数和(自身を除く): 13560057

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 263, 405, 471, 785, 789, 1315, 1413, 2355, 2367, 3945, 4239, 7065, 7101, 11835, 12717, 21195, 21303, 35505, 41291, 63585, 106515, 123873, 206455, 371619, 619365, 1114857, 1858095, 3344571, 5574285, 16722855]

約数ペア:

[(1, 16722855), (3, 5574285), (5, 3344571), (9, 1858095), (15, 1114857), (27, 619365), (45, 371619), (81, 206455), (135, 123873), (157, 106515), (263, 63585), (405, 41291), (471, 35505), (785, 21303), (789, 21195), (1315, 12717), (1413, 11835), (2355, 7101), (2367, 7065), (3945, 4239)]