72265155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 119159040

約数和(自身を除く): 46893885

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 543, 619, 645, 905, 1857, 2715, 3095, 7783, 9285, 23349, 26617, 38915, 79851, 112039, 116745, 133085, 336117, 399255, 560195, 1680585, 4817677, 14453031, 24088385, 72265155]

約数ペア:

[(1, 72265155), (3, 24088385), (5, 14453031), (15, 4817677), (43, 1680585), (129, 560195), (181, 399255), (215, 336117), (543, 133085), (619, 116745), (645, 112039), (905, 79851), (1857, 38915), (2715, 26617), (3095, 23349), (7783, 9285)]