288515721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1571}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 440512128

約数和(自身を除く): 151996407

約数列:

[1, 3, 13, 17, 39, 51, 221, 277, 663, 831, 1571, 3601, 4709, 4713, 10803, 14127, 20423, 26707, 61217, 61269, 80121, 183651, 347191, 435167, 1041573, 1305501, 5657171, 7397839, 16971513, 22193517, 96171907, 288515721]

約数ペア:

[(1, 288515721), (3, 96171907), (13, 22193517), (17, 16971513), (39, 7397839), (51, 5657171), (221, 1305501), (277, 1041573), (663, 435167), (831, 347191), (1571, 183651), (3601, 80121), (4709, 61269), (4713, 61217), (10803, 26707), (14127, 20423)]