17905239

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 30723840

約数和(自身を除く): 12818601

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 167, 171, 209, 297, 361, 501, 513, 627, 1083, 1503, 1837, 1881, 3173, 3249, 3971, 4509, 5511, 5643, 9519, 9747, 11913, 16533, 28557, 34903, 35739, 49599, 60287, 85671, 104709, 107217, 180861, 314127, 542583, 663157, 942381, 1627749, 1989471, 5968413, 17905239]

約数ペア:

[(1, 17905239), (3, 5968413), (9, 1989471), (11, 1627749), (19, 942381), (27, 663157), (33, 542583), (57, 314127), (99, 180861), (167, 107217), (171, 104709), (209, 85671), (297, 60287), (361, 49599), (501, 35739), (513, 34903), (627, 28557), (1083, 16533), (1503, 11913), (1837, 9747), (1881, 9519), (3173, 5643), (3249, 5511), (3971, 4509)]