30750447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 51186688

約数和(自身を除く): 20436241

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 1543, 2847, 4629, 6643, 10801, 19929, 20059, 32403, 60177, 112639, 140413, 337917, 421239, 788473, 1464307, 2365419, 4392921, 10250149, 30750447]

約数ペア:

[(1, 30750447), (3, 10250149), (7, 4392921), (13, 2365419), (21, 1464307), (39, 788473), (73, 421239), (91, 337917), (219, 140413), (273, 112639), (511, 60177), (949, 32403), (1533, 20059), (1543, 19929), (2847, 10801), (4629, 6643)]