13125021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 21762048

約数和(自身を除く): 8637027

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 367, 393, 917, 1101, 1703, 2569, 2751, 4771, 5109, 7707, 11921, 14313, 33397, 35763, 48077, 100191, 144231, 336539, 625001, 1009617, 1875003, 4375007, 13125021]

約数ペア:

[(1, 13125021), (3, 4375007), (7, 1875003), (13, 1009617), (21, 625001), (39, 336539), (91, 144231), (131, 100191), (273, 48077), (367, 35763), (393, 33397), (917, 14313), (1101, 11921), (1703, 7707), (2569, 5109), (2751, 4771)]