31216029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 16684131

約数列:

[1, 3, 13, 17, 39, 51, 197, 221, 239, 591, 663, 717, 2561, 3107, 3349, 4063, 7683, 9321, 10047, 12189, 43537, 47083, 52819, 130611, 141249, 158457, 612079, 800411, 1836237, 2401233, 10405343, 31216029]

約数ペア:

[(1, 31216029), (3, 10405343), (13, 2401233), (17, 1836237), (39, 800411), (51, 612079), (197, 158457), (221, 141249), (239, 130611), (591, 52819), (663, 47083), (717, 43537), (2561, 12189), (3107, 10047), (3349, 9321), (4063, 7683)]