28308975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16411}}^1$

素因数の和:16447

約数の個数: 24

約数和(自身を含む): 48842112

約数和(自身を除く): 20533137

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16411, 49233, 82055, 246165, 377453, 410275, 1132359, 1230825, 1887265, 5661795, 9436325, 28308975]

約数ペア:

[(1, 28308975), (3, 9436325), (5, 5661795), (15, 1887265), (23, 1230825), (25, 1132359), (69, 410275), (75, 377453), (115, 246165), (345, 82055), (575, 49233), (1725, 16411)]