15893199

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 28153440

約数和(自身を除く): 12260241

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 293, 369, 441, 861, 879, 1107, 1323, 2009, 2051, 2583, 2637, 6027, 6153, 7749, 7911, 12013, 14357, 18081, 18459, 36039, 43071, 54243, 55377, 84091, 108117, 129213, 252273, 324351, 387639, 588637, 756819, 1765911, 2270457, 5297733, 15893199]

約数ペア:

[(1, 15893199), (3, 5297733), (7, 2270457), (9, 1765911), (21, 756819), (27, 588637), (41, 387639), (49, 324351), (63, 252273), (123, 129213), (147, 108117), (189, 84091), (287, 55377), (293, 54243), (369, 43071), (441, 36039), (861, 18459), (879, 18081), (1107, 14357), (1323, 12013), (2009, 7911), (2051, 7749), (2583, 6153), (2637, 6027)]