2875455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 5619744

約数和(自身を除く): 2744289

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 157, 165, 185, 333, 407, 471, 495, 555, 785, 1221, 1413, 1665, 1727, 2035, 2355, 3663, 5181, 5809, 6105, 7065, 8635, 15543, 17427, 18315, 25905, 29045, 52281, 63899, 77715, 87135, 191697, 261405, 319495, 575091, 958485, 2875455]

約数ペア:

[(1, 2875455), (3, 958485), (5, 575091), (9, 319495), (11, 261405), (15, 191697), (33, 87135), (37, 77715), (45, 63899), (55, 52281), (99, 29045), (111, 25905), (157, 18315), (165, 17427), (185, 15543), (333, 8635), (407, 7065), (471, 6105), (495, 5809), (555, 5181), (785, 3663), (1221, 2355), (1413, 2035), (1665, 1727)]