28800891

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14747}}^1$

素因数の和:14791

約数の個数: 24

約数和(自身を含む): 49081344

約数和(自身を除く): 20280453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14747, 44241, 103229, 132723, 309687, 457157, 929061, 1371471, 3200099, 4114413, 9600297, 28800891]

約数ペア:

[(1, 28800891), (3, 9600297), (7, 4114413), (9, 3200099), (21, 1371471), (31, 929061), (63, 457157), (93, 309687), (217, 132723), (279, 103229), (651, 44241), (1953, 14747)]