31384827

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20424

約数の個数: 20

約数和(自身を含む): 49353480

約数和(自身を除く): 17968653

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20393, 61179, 183537, 387467, 550611, 1162401, 1651833, 3487203, 10461609, 31384827]

約数ペア:

[(1, 31384827), (3, 10461609), (9, 3487203), (19, 1651833), (27, 1162401), (57, 550611), (81, 387467), (171, 183537), (513, 61179), (1539, 20393)]