28878639

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 41620992

約数和(自身を除く): 12742353

約数列:

[1, 3, 23, 31, 69, 93, 529, 587, 713, 1587, 1761, 2139, 13501, 16399, 18197, 40503, 49197, 54591, 310523, 418531, 931569, 1255593, 9626213, 28878639]

約数ペア:

[(1, 28878639), (3, 9626213), (23, 1255593), (31, 931569), (69, 418531), (93, 310523), (529, 54591), (587, 49197), (713, 40503), (1587, 18197), (1761, 16399), (2139, 13501)]