15901119

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 27256320

約数和(自身を除く): 11355201

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 311, 437, 741, 897, 933, 1311, 2223, 2691, 2799, 3933, 4043, 5681, 5909, 7153, 12129, 17043, 17727, 21459, 36387, 51129, 53181, 64377, 76817, 92989, 135907, 230451, 278967, 407721, 691353, 836901, 1223163, 1766791, 5300373, 15901119]

約数ペア:

[(1, 15901119), (3, 5300373), (9, 1766791), (13, 1223163), (19, 836901), (23, 691353), (39, 407721), (57, 278967), (69, 230451), (117, 135907), (171, 92989), (207, 76817), (247, 64377), (299, 53181), (311, 51129), (437, 36387), (741, 21459), (897, 17727), (933, 17043), (1311, 12129), (2223, 7153), (2691, 5909), (2799, 5681), (3933, 4043)]