17996445

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 14317155

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1223, 1635, 2943, 3669, 4905, 6115, 11007, 14715, 18345, 33021, 55035, 133307, 165105, 399921, 666535, 1199763, 1999605, 3599289, 5998815, 17996445]

約数ペア:

[(1, 17996445), (3, 5998815), (5, 3599289), (9, 1999605), (15, 1199763), (27, 666535), (45, 399921), (109, 165105), (135, 133307), (327, 55035), (545, 33021), (981, 18345), (1223, 14715), (1635, 11007), (2943, 6115), (3669, 4905)]