28222971

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5189}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 44966160

約数和(自身を除く): 16743189

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5189, 5439, 15567, 36323, 108969, 191993, 254261, 575979, 762783, 1343951, 4031853, 9407657, 28222971]

約数ペア:

[(1, 28222971), (3, 9407657), (7, 4031853), (21, 1343951), (37, 762783), (49, 575979), (111, 254261), (147, 191993), (259, 108969), (777, 36323), (1813, 15567), (5189, 5439)]