2017780821

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{368141}}^1$

素因数の和:368186

約数の個数: 32

約数和(自身を含む): 3534163200

約数和(自身を除く): 1516382379

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 368141, 1104423, 2576987, 3313269, 7730961, 9939807, 10676089, 23192883, 32028267, 69578649, 74732623, 96084801, 224197869, 288254403, 672593607, 2017780821]

約数ペア:

[(1, 2017780821), (3, 672593607), (7, 288254403), (9, 224197869), (21, 96084801), (27, 74732623), (29, 69578649), (63, 32028267), (87, 23192883), (189, 10676089), (203, 9939807), (261, 7730961), (609, 3313269), (783, 2576987), (1827, 1104423), (5481, 368141)]