15746991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 8445009

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 269, 741, 807, 1027, 1501, 3081, 3497, 4503, 5111, 10491, 15333, 19513, 21251, 58539, 63753, 66443, 199329, 276263, 403769, 828789, 1211307, 5248997, 15746991]

約数ペア:

[(1, 15746991), (3, 5248997), (13, 1211307), (19, 828789), (39, 403769), (57, 276263), (79, 199329), (237, 66443), (247, 63753), (269, 58539), (741, 21251), (807, 19513), (1027, 15333), (1501, 10491), (3081, 5111), (3497, 4503)]