247989417

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{1543}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 359406144

約数和(自身を除く): 111416727

約数列:

[1, 3, 13, 39, 169, 317, 507, 951, 1543, 4121, 4629, 12363, 20059, 53573, 60177, 160719, 260767, 489131, 782301, 1467393, 6358703, 19076109, 82663139, 247989417]

約数ペア:

[(1, 247989417), (3, 82663139), (13, 19076109), (39, 6358703), (169, 1467393), (317, 782301), (507, 489131), (951, 260767), (1543, 160719), (4121, 60177), (4629, 53573), (12363, 20059)]