15005221

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 19756800

約数和(自身を除く): 4751579

約数列:

[1, 7, 11, 41, 49, 77, 97, 287, 343, 451, 539, 679, 1067, 2009, 3157, 3773, 3977, 4753, 7469, 14063, 22099, 27839, 33271, 43747, 52283, 154693, 194873, 306229, 365981, 1364111, 2143603, 15005221]

約数ペア:

[(1, 15005221), (7, 2143603), (11, 1364111), (41, 365981), (49, 306229), (77, 194873), (97, 154693), (287, 52283), (343, 43747), (451, 33271), (539, 27839), (679, 22099), (1067, 14063), (2009, 7469), (3157, 4753), (3773, 3977)]