28403919

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 16385841

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 863, 1219, 1431, 2589, 3657, 7767, 10971, 19849, 23301, 32913, 45739, 59547, 137217, 178641, 411651, 535923, 1051997, 1234953, 3155991, 9467973, 28403919]

約数ペア:

[(1, 28403919), (3, 9467973), (9, 3155991), (23, 1234953), (27, 1051997), (53, 535923), (69, 411651), (159, 178641), (207, 137217), (477, 59547), (621, 45739), (863, 32913), (1219, 23301), (1431, 19849), (2589, 10971), (3657, 7767)]