2119315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 2911104

約数和(自身を除く): 791789

約数列:

[1, 5, 11, 31, 55, 113, 121, 155, 341, 565, 605, 1243, 1705, 3503, 3751, 6215, 13673, 17515, 18755, 38533, 68365, 192665, 423863, 2119315]

約数ペア:

[(1, 2119315), (5, 423863), (11, 192665), (31, 68365), (55, 38533), (113, 18755), (121, 17515), (155, 13673), (341, 6215), (565, 3751), (605, 3503), (1243, 1705)]