28297941

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1181}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 44197344

約数和(自身を除く): 15899403

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 1181, 3423, 3543, 7987, 8267, 23961, 24801, 57869, 173607, 192503, 577509, 1347521, 4042563, 9432647, 28297941]

約数ペア:

[(1, 28297941), (3, 9432647), (7, 4042563), (21, 1347521), (49, 577509), (147, 192503), (163, 173607), (489, 57869), (1141, 24801), (1181, 23961), (3423, 8267), (3543, 7987)]