13151931

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 7169349

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 239, 249, 663, 717, 1079, 1411, 3107, 3237, 4063, 4233, 9321, 12189, 18343, 19837, 52819, 55029, 59511, 158457, 257881, 337229, 773643, 1011687, 4383977, 13151931]

約数ペア:

[(1, 13151931), (3, 4383977), (13, 1011687), (17, 773643), (39, 337229), (51, 257881), (83, 158457), (221, 59511), (239, 55029), (249, 52819), (663, 19837), (717, 18343), (1079, 12189), (1411, 9321), (3107, 4233), (3237, 4063)]