18121455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12203}}^1$

素因数の和:12228

約数の個数: 32

約数和(自身を含む): 35147520

約数和(自身を除く): 17026065

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 12203, 36609, 61015, 109827, 134233, 183045, 329481, 402699, 549135, 671165, 1208097, 1647405, 2013495, 3624291, 6040485, 18121455]

約数ペア:

[(1, 18121455), (3, 6040485), (5, 3624291), (9, 2013495), (11, 1647405), (15, 1208097), (27, 671165), (33, 549135), (45, 402699), (55, 329481), (99, 183045), (135, 134233), (165, 109827), (297, 61015), (495, 36609), (1485, 12203)]