179985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 316224

約数和(自身を除く): 136239

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 169, 195, 213, 355, 507, 845, 923, 1065, 2535, 2769, 4615, 11999, 13845, 35997, 59995, 179985]

約数ペア:

[(1, 179985), (3, 59995), (5, 35997), (13, 13845), (15, 11999), (39, 4615), (65, 2769), (71, 2535), (169, 1065), (195, 923), (213, 845), (355, 507)]