268778505

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 440114688

約数和(自身を除く): 171336183

約数列:

[1, 3, 5, 15, 61, 157, 183, 305, 471, 785, 915, 1871, 2355, 5613, 9355, 9577, 28065, 28731, 47885, 114131, 143655, 293747, 342393, 570655, 881241, 1468735, 1711965, 4406205, 17918567, 53755701, 89592835, 268778505]

約数ペア:

[(1, 268778505), (3, 89592835), (5, 53755701), (15, 17918567), (61, 4406205), (157, 1711965), (183, 1468735), (305, 881241), (471, 570655), (785, 342393), (915, 293747), (1871, 143655), (2355, 114131), (5613, 47885), (9355, 28731), (9577, 28065)]