2720135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 3785616

約数和(自身を除く): 1065481

約数列:

[1, 5, 11, 19, 55, 95, 137, 209, 361, 685, 1045, 1507, 1805, 2603, 3971, 7535, 13015, 19855, 28633, 49457, 143165, 247285, 544027, 2720135]

約数ペア:

[(1, 2720135), (5, 544027), (11, 247285), (19, 143165), (55, 49457), (95, 28633), (137, 19855), (209, 13015), (361, 7535), (685, 3971), (1045, 2603), (1507, 1805)]