28178307

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{2143}}^1$

素因数の和:2639

約数の個数: 16

約数和(自身を含む): 41850880

約数和(自身を除く): 13672573

約数列:

[1, 3, 9, 27, 487, 1461, 2143, 4383, 6429, 13149, 19287, 57861, 1043641, 3130923, 9392769, 28178307]

約数ペア:

[(1, 28178307), (3, 9392769), (9, 3130923), (27, 1043641), (487, 57861), (1461, 19287), (2143, 13149), (4383, 6429)]