28571193

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23869}}^1$

素因数の和:23901

約数の個数: 24

約数和(自身を含む): 49649600

約数和(自身を除く): 21078407

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23869, 71607, 167083, 214821, 453511, 501249, 1360533, 1503747, 3174577, 4081599, 9523731, 28571193]

約数ペア:

[(1, 28571193), (3, 9523731), (7, 4081599), (9, 3174577), (19, 1503747), (21, 1360533), (57, 501249), (63, 453511), (133, 214821), (171, 167083), (399, 71607), (1197, 23869)]