31587855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7043}}^1$

素因数の和:7087

約数の個数: 32

約数和(自身を含む): 56802816

約数和(自身を除く): 25214961

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 7043, 21129, 35215, 91559, 105645, 161989, 274677, 457795, 485967, 809945, 1373385, 2105857, 2429835, 6317571, 10529285, 31587855]

約数ペア:

[(1, 31587855), (3, 10529285), (5, 6317571), (13, 2429835), (15, 2105857), (23, 1373385), (39, 809945), (65, 485967), (69, 457795), (115, 274677), (195, 161989), (299, 105645), (345, 91559), (897, 35215), (1495, 21129), (4485, 7043)]