205514985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{81071}}^1$

素因数の和:81105

約数の個数: 24

約数和(自身を含む): 356068224

約数和(自身を除く): 150553239

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 81071, 243213, 405355, 1053923, 1216065, 3161769, 5269615, 13700999, 15808845, 41102997, 68504995, 205514985]

約数ペア:

[(1, 205514985), (3, 68504995), (5, 41102997), (13, 15808845), (15, 13700999), (39, 5269615), (65, 3161769), (169, 1216065), (195, 1053923), (507, 405355), (845, 243213), (2535, 81071)]