30351867

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 50523648

約数和(自身を除く): 20171781

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1523, 1533, 2847, 4569, 6643, 10661, 19799, 19929, 31983, 59397, 111179, 138593, 333537, 415779, 778253, 1445327, 2334759, 4335981, 10117289, 30351867]

約数ペア:

[(1, 30351867), (3, 10117289), (7, 4335981), (13, 2334759), (21, 1445327), (39, 778253), (73, 415779), (91, 333537), (219, 138593), (273, 111179), (511, 59397), (949, 31983), (1523, 19929), (1533, 19799), (2847, 10661), (4569, 6643)]