40120191

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 63888000

約数和(自身を除く): 23767809

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 171, 199, 393, 513, 597, 1179, 1539, 1791, 2489, 3537, 3781, 5373, 7467, 10611, 11343, 16119, 22401, 26069, 34029, 67203, 78207, 102087, 201609, 234621, 306261, 495311, 703863, 1485933, 2111589, 4457799, 13373397, 40120191]

約数ペア:

[(1, 40120191), (3, 13373397), (9, 4457799), (19, 2111589), (27, 1485933), (57, 703863), (81, 495311), (131, 306261), (171, 234621), (199, 201609), (393, 102087), (513, 78207), (597, 67203), (1179, 34029), (1539, 26069), (1791, 22401), (2489, 16119), (3537, 11343), (3781, 10611), (5373, 7467)]