28267071

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6203}}^1$

素因数の和:6251

約数の個数: 24

約数和(自身を含む): 45264384

約数和(自身を除く): 16997313

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6203, 18609, 43421, 130263, 192293, 303947, 576879, 911841, 1346051, 4038153, 9422357, 28267071]

約数ペア:

[(1, 28267071), (3, 9422357), (7, 4038153), (21, 1346051), (31, 911841), (49, 576879), (93, 303947), (147, 192293), (217, 130263), (651, 43421), (1519, 18609), (4557, 6203)]