1860155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 655813

約数列:

[1, 5, 11, 31, 55, 155, 341, 1091, 1705, 5455, 12001, 33821, 60005, 169105, 372031, 1860155]

約数ペア:

[(1, 1860155), (5, 372031), (11, 169105), (31, 60005), (55, 33821), (155, 12001), (341, 5455), (1091, 1705)]