209970813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{6841}}^1$

素因数の和:7644

約数の個数: 16

約数和(自身を含む): 301923776

約数和(自身を除く): 91952963

約数列:

[1, 3, 13, 39, 787, 2361, 6841, 10231, 20523, 30693, 88933, 266799, 5383867, 16151601, 69990271, 209970813]

約数ペア:

[(1, 209970813), (3, 69990271), (13, 16151601), (39, 5383867), (787, 266799), (2361, 88933), (6841, 30693), (10231, 20523)]