31129215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 54538176

約数和(自身を除く): 23408961

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 2617, 3965, 7851, 11895, 13085, 34021, 39255, 102063, 159637, 170105, 478911, 510315, 798185, 2075281, 2394555, 6225843, 10376405, 31129215]

約数ペア:

[(1, 31129215), (3, 10376405), (5, 6225843), (13, 2394555), (15, 2075281), (39, 798185), (61, 510315), (65, 478911), (183, 170105), (195, 159637), (305, 102063), (793, 39255), (915, 34021), (2379, 13085), (2617, 11895), (3965, 7851)]