13721823

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 20866560

約数和(自身を除く): 7144737

約数列:

[1, 3, 9, 23, 69, 151, 207, 439, 453, 1317, 1359, 3473, 3951, 10097, 10419, 30291, 31257, 66289, 90873, 198867, 596601, 1524647, 4573941, 13721823]

約数ペア:

[(1, 13721823), (3, 4573941), (9, 1524647), (23, 596601), (69, 198867), (151, 90873), (207, 66289), (439, 31257), (453, 30291), (1317, 10419), (1359, 10097), (3473, 3951)]