13809775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 21141504

約数和(自身を除く): 7331729

約数列:

[1, 5, 7, 23, 25, 35, 47, 73, 115, 161, 175, 235, 329, 365, 511, 575, 805, 1081, 1175, 1645, 1679, 1825, 2555, 3431, 4025, 5405, 7567, 8225, 8395, 11753, 12775, 17155, 24017, 27025, 37835, 41975, 58765, 78913, 85775, 120085, 189175, 293825, 394565, 552391, 600425, 1972825, 2761955, 13809775]

約数ペア:

[(1, 13809775), (5, 2761955), (7, 1972825), (23, 600425), (25, 552391), (35, 394565), (47, 293825), (73, 189175), (115, 120085), (161, 85775), (175, 78913), (235, 58765), (329, 41975), (365, 37835), (511, 27025), (575, 24017), (805, 17155), (1081, 12775), (1175, 11753), (1645, 8395), (1679, 8225), (1825, 7567), (2555, 5405), (3431, 4025)]