1211155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 1700784

約数和(自身を除く): 489629

約数列:

[1, 5, 11, 19, 55, 61, 95, 209, 305, 361, 671, 1045, 1159, 1805, 3355, 3971, 5795, 12749, 19855, 22021, 63745, 110105, 242231, 1211155]

約数ペア:

[(1, 1211155), (5, 242231), (11, 110105), (19, 63745), (55, 22021), (61, 19855), (95, 12749), (209, 5795), (305, 3971), (361, 3355), (671, 1805), (1045, 1159)]