2128305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 3686400

約数和(自身を除く): 1558095

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 199, 345, 465, 597, 713, 995, 2139, 2985, 3565, 4577, 6169, 10695, 13731, 18507, 22885, 30845, 68655, 92535, 141887, 425661, 709435, 2128305]

約数ペア:

[(1, 2128305), (3, 709435), (5, 425661), (15, 141887), (23, 92535), (31, 68655), (69, 30845), (93, 22885), (115, 18507), (155, 13731), (199, 10695), (345, 6169), (465, 4577), (597, 3565), (713, 2985), (995, 2139)]