31248261

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 53944704

約数和(自身を除く): 22696443

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1683, 2063, 5049, 6189, 15147, 18567, 22693, 35071, 55701, 68079, 105213, 167103, 204237, 315639, 385781, 612711, 946917, 1157343, 1838133, 2840751, 3472029, 10416087, 31248261]

約数ペア:

[(1, 31248261), (3, 10416087), (9, 3472029), (11, 2840751), (17, 1838133), (27, 1157343), (33, 946917), (51, 612711), (81, 385781), (99, 315639), (153, 204237), (187, 167103), (297, 105213), (459, 68079), (561, 55701), (891, 35071), (1377, 22693), (1683, 18567), (2063, 15147), (5049, 6189)]