28513053

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 45534720

約数和(自身を除く): 17021667

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 171, 191, 291, 513, 573, 873, 1539, 1719, 1843, 2619, 3629, 5157, 5529, 7857, 10887, 15471, 16587, 18527, 32661, 49761, 55581, 97983, 149283, 166743, 293949, 352013, 500229, 1056039, 1500687, 3168117, 9504351, 28513053]

約数ペア:

[(1, 28513053), (3, 9504351), (9, 3168117), (19, 1500687), (27, 1056039), (57, 500229), (81, 352013), (97, 293949), (171, 166743), (191, 149283), (291, 97983), (513, 55581), (573, 49761), (873, 32661), (1539, 18527), (1719, 16587), (1843, 15471), (2619, 10887), (3629, 7857), (5157, 5529)]