13270257

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 26449920

約数和(自身を除く): 13179663

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 491, 693, 819, 1001, 1287, 1473, 2079, 2457, 3003, 3437, 3861, 4419, 5401, 6383, 9009, 10311, 13257, 16203, 19149, 27027, 30933, 37807, 44681, 48609, 57447, 70213, 92799, 113421, 134043, 145827, 172341, 210639, 340263, 402129, 491491, 631917, 1020789, 1206387, 1474473, 1895751, 4423419, 13270257]

約数ペア:

[(1, 13270257), (3, 4423419), (7, 1895751), (9, 1474473), (11, 1206387), (13, 1020789), (21, 631917), (27, 491491), (33, 402129), (39, 340263), (63, 210639), (77, 172341), (91, 145827), (99, 134043), (117, 113421), (143, 92799), (189, 70213), (231, 57447), (273, 48609), (297, 44681), (351, 37807), (429, 30933), (491, 27027), (693, 19149), (819, 16203), (1001, 13257), (1287, 10311), (1473, 9009), (2079, 6383), (2457, 5401), (3003, 4419), (3437, 3861)]