25873497

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 43155840

約数和(自身を除く): 17282343

約数列:

[1, 3, 9, 13, 19, 39, 57, 103, 113, 117, 171, 247, 309, 339, 741, 927, 1017, 1339, 1469, 1957, 2147, 2223, 4017, 4407, 5871, 6441, 11639, 12051, 13221, 17613, 19323, 25441, 27911, 34917, 76323, 83733, 104751, 151307, 221141, 228969, 251199, 453921, 663423, 1361763, 1990269, 2874833, 8624499, 25873497]

約数ペア:

[(1, 25873497), (3, 8624499), (9, 2874833), (13, 1990269), (19, 1361763), (39, 663423), (57, 453921), (103, 251199), (113, 228969), (117, 221141), (171, 151307), (247, 104751), (309, 83733), (339, 76323), (741, 34917), (927, 27911), (1017, 25441), (1339, 19323), (1469, 17613), (1957, 13221), (2147, 12051), (2223, 11639), (4017, 6441), (4407, 5871)]