31187145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17183}}^1$

素因数の和:17213

約数の個数: 24

約数和(自身を含む): 54851328

約数和(自身を除く): 23664183

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 17183, 51549, 85915, 189013, 257745, 567039, 945065, 2079143, 2835195, 6237429, 10395715, 31187145]

約数ペア:

[(1, 31187145), (3, 10395715), (5, 6237429), (11, 2835195), (15, 2079143), (33, 945065), (55, 567039), (121, 257745), (165, 189013), (363, 85915), (605, 51549), (1815, 17183)]