201664905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2579}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 348485760

約数和(自身を除く): 146820855

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 401, 1203, 2005, 2579, 5213, 6015, 7737, 12895, 15639, 26065, 33527, 38685, 78195, 100581, 167635, 502905, 1034179, 3102537, 5170895, 13444327, 15512685, 40332981, 67221635, 201664905]

約数ペア:

[(1, 201664905), (3, 67221635), (5, 40332981), (13, 15512685), (15, 13444327), (39, 5170895), (65, 3102537), (195, 1034179), (401, 502905), (1203, 167635), (2005, 100581), (2579, 78195), (5213, 38685), (6015, 33527), (7737, 26065), (12895, 15639)]