31498713

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 50277920

約数和(自身を除く): 18779207

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 171, 211, 291, 513, 633, 873, 1539, 1843, 1899, 2619, 4009, 5529, 5697, 7857, 12027, 16587, 17091, 20467, 36081, 49761, 61401, 108243, 149283, 184203, 324729, 388873, 552609, 1166619, 1657827, 3499857, 10499571, 31498713]

約数ペア:

[(1, 31498713), (3, 10499571), (9, 3499857), (19, 1657827), (27, 1166619), (57, 552609), (81, 388873), (97, 324729), (171, 184203), (211, 149283), (291, 108243), (513, 61401), (633, 49761), (873, 36081), (1539, 20467), (1843, 17091), (1899, 16587), (2619, 12027), (4009, 7857), (5529, 5697)]