31481229

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 48432384

約数和(自身を除く): 16951155

約数列:

[1, 3, 13, 17, 39, 51, 103, 221, 309, 461, 663, 1339, 1383, 1751, 4017, 5253, 5993, 7837, 17979, 22763, 23511, 47483, 68289, 101881, 142449, 305643, 617279, 807211, 1851837, 2421633, 10493743, 31481229]

約数ペア:

[(1, 31481229), (3, 10493743), (13, 2421633), (17, 1851837), (39, 807211), (51, 617279), (103, 305643), (221, 142449), (309, 101881), (461, 68289), (663, 47483), (1339, 23511), (1383, 22763), (1751, 17979), (4017, 7837), (5253, 5993)]