31456485

素因数分解:

$3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{599}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 24703515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 389, 599, 1167, 1797, 1945, 2995, 3501, 5391, 5835, 8985, 10503, 16173, 17505, 26955, 52515, 80865, 233011, 699033, 1165055, 2097099, 3495165, 6291297, 10485495, 31456485]

約数ペア:

[(1, 31456485), (3, 10485495), (5, 6291297), (9, 3495165), (15, 2097099), (27, 1165055), (45, 699033), (135, 233011), (389, 80865), (599, 52515), (1167, 26955), (1797, 17505), (1945, 16173), (2995, 10503), (3501, 8985), (5391, 5835)]