28358967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 47208448

約数和(自身を除く): 18849481

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1423, 1533, 2847, 4269, 6643, 9961, 18499, 19929, 29883, 55497, 103879, 129493, 311637, 388479, 727153, 1350427, 2181459, 4051281, 9452989, 28358967]

約数ペア:

[(1, 28358967), (3, 9452989), (7, 4051281), (13, 2181459), (21, 1350427), (39, 727153), (73, 388479), (91, 311637), (219, 129493), (273, 103879), (511, 55497), (949, 29883), (1423, 19929), (1533, 18499), (2847, 9961), (4269, 6643)]