13505925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 23823872

約数和(自身を除く): 10317947

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 157, 185, 465, 471, 555, 775, 785, 925, 1147, 2325, 2355, 2775, 3441, 3925, 4867, 5735, 5809, 11775, 14601, 17205, 17427, 24335, 28675, 29045, 73005, 86025, 87135, 121675, 145225, 180079, 365025, 435675, 540237, 900395, 2701185, 4501975, 13505925]

約数ペア:

[(1, 13505925), (3, 4501975), (5, 2701185), (15, 900395), (25, 540237), (31, 435675), (37, 365025), (75, 180079), (93, 145225), (111, 121675), (155, 87135), (157, 86025), (185, 73005), (465, 29045), (471, 28675), (555, 24335), (775, 17427), (785, 17205), (925, 14601), (1147, 11775), (2325, 5809), (2355, 5735), (2775, 4867), (3441, 3925)]