1219075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 36

約数和(自身を含む): 1847104

約数和(自身を除く): 628029

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 121, 143, 155, 275, 325, 341, 403, 605, 715, 775, 1573, 1705, 2015, 3025, 3575, 3751, 4433, 7865, 8525, 10075, 18755, 22165, 39325, 48763, 93775, 110825, 243815, 1219075]

約数ペア:

[(1, 1219075), (5, 243815), (11, 110825), (13, 93775), (25, 48763), (31, 39325), (55, 22165), (65, 18755), (121, 10075), (143, 8525), (155, 7865), (275, 4433), (325, 3751), (341, 3575), (403, 3025), (605, 2015), (715, 1705), (775, 1573)]