13991289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 7781511

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 449, 611, 663, 799, 1347, 1833, 2397, 5837, 7633, 10387, 17511, 21103, 22899, 31161, 63309, 99229, 274339, 297687, 358751, 823017, 1076253, 4663763, 13991289]

約数ペア:

[(1, 13991289), (3, 4663763), (13, 1076253), (17, 823017), (39, 358751), (47, 297687), (51, 274339), (141, 99229), (221, 63309), (449, 31161), (611, 22899), (663, 21103), (799, 17511), (1347, 10387), (1833, 7633), (2397, 5837)]