13220469

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 20832000

約数和(自身を除く): 7611531

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 349, 549, 621, 1047, 1403, 1647, 3141, 4209, 8027, 9423, 12627, 21289, 24081, 37881, 63867, 72243, 191601, 216729, 489647, 574803, 1468941, 4406823, 13220469]

約数ペア:

[(1, 13220469), (3, 4406823), (9, 1468941), (23, 574803), (27, 489647), (61, 216729), (69, 191601), (183, 72243), (207, 63867), (349, 37881), (549, 24081), (621, 21289), (1047, 12627), (1403, 9423), (1647, 8027), (3141, 4209)]