1515990021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{15131}}^1$

素因数の和:15521

約数の個数: 32

約数和(自身を含む): 2494722048

約数和(自身を除く): 978732027

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 367, 1101, 2569, 4771, 7707, 14313, 15131, 33397, 45393, 100191, 105917, 196703, 317751, 590109, 1376921, 4130763, 5553077, 16659231, 38871539, 72190001, 116614617, 216570003, 505330007, 1515990021]

約数ペア:

[(1, 1515990021), (3, 505330007), (7, 216570003), (13, 116614617), (21, 72190001), (39, 38871539), (91, 16659231), (273, 5553077), (367, 4130763), (1101, 1376921), (2569, 590109), (4771, 317751), (7707, 196703), (14313, 105917), (15131, 100191), (33397, 45393)]