81980415

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165617}}^1$

素因数の和:165639

約数の個数: 24

約数和(自身を含む): 155018448

約数和(自身を除く): 73038033

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165617, 496851, 828085, 1490553, 1821787, 2484255, 5465361, 7452765, 9108935, 16396083, 27326805, 81980415]

約数ペア:

[(1, 81980415), (3, 27326805), (5, 16396083), (9, 9108935), (11, 7452765), (15, 5465361), (33, 2484255), (45, 1821787), (55, 1490553), (99, 828085), (165, 496851), (495, 165617)]