15181439

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 19307232

約数和(自身を除く): 4125793

約数列:

[1, 7, 13, 41, 91, 169, 287, 313, 533, 1183, 2191, 3731, 4069, 6929, 12833, 28483, 48503, 52897, 89831, 166829, 370279, 1167803, 2168777, 15181439]

約数ペア:

[(1, 15181439), (7, 2168777), (13, 1167803), (41, 370279), (91, 166829), (169, 89831), (287, 52897), (313, 48503), (533, 28483), (1183, 12833), (2191, 6929), (3731, 4069)]