27909879

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 13754121

約数列:

[1, 3, 19, 23, 57, 61, 69, 183, 349, 437, 1047, 1159, 1311, 1403, 3477, 4209, 6631, 8027, 19893, 21289, 24081, 26657, 63867, 79971, 152513, 404491, 457539, 489647, 1213473, 1468941, 9303293, 27909879]

約数ペア:

[(1, 27909879), (3, 9303293), (19, 1468941), (23, 1213473), (57, 489647), (61, 457539), (69, 404491), (183, 152513), (349, 79971), (437, 63867), (1047, 26657), (1159, 24081), (1311, 21289), (1403, 19893), (3477, 8027), (4209, 6631)]