2021907555

素因数分解:

$3^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{22727}}^1$

素因数の和:23400

約数の個数: 32

約数和(自身を含む): 3600115200

約数和(自身を除く): 1578207645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 659, 1977, 3295, 5931, 9885, 17793, 22727, 29655, 68181, 88965, 113635, 204543, 340905, 613629, 1022715, 3068145, 14977093, 44931279, 74885465, 134793837, 224656395, 404381511, 673969185, 2021907555]

約数ペア:

[(1, 2021907555), (3, 673969185), (5, 404381511), (9, 224656395), (15, 134793837), (27, 74885465), (45, 44931279), (135, 14977093), (659, 3068145), (1977, 1022715), (3295, 613629), (5931, 340905), (9885, 204543), (17793, 113635), (22727, 88965), (29655, 68181)]