248715720729

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1516661}}^1$

素因数の和:1516830

約数の個数: 48

約数和(自身を含む): 435342660480

約数和(自身を除く): 186626939751

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 2603, 2877, 7809, 8631, 18221, 23427, 54663, 163989, 1516661, 4549983, 10616627, 13649949, 28816559, 31849881, 86449677, 95549643, 201715913, 207782557, 259349031, 605147739, 623347671, 1454477899, 1815443217, 1870043013, 3947868583, 4363433697, 11843605749, 13090301091, 27635080081, 35530817247, 82905240243, 248715720729]

約数ペア:

[(1, 248715720729), (3, 82905240243), (7, 35530817247), (9, 27635080081), (19, 13090301091), (21, 11843605749), (57, 4363433697), (63, 3947868583), (133, 1870043013), (137, 1815443217), (171, 1454477899), (399, 623347671), (411, 605147739), (959, 259349031), (1197, 207782557), (1233, 201715913), (2603, 95549643), (2877, 86449677), (7809, 31849881), (8631, 28816559), (18221, 13649949), (23427, 10616627), (54663, 4549983), (163989, 1516661)]