12981654

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 33569280

約数和(自身を除く): 20587626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 563, 854, 1098, 1126, 1281, 1647, 1689, 2562, 3294, 3378, 3843, 3941, 5067, 7686, 7882, 10134, 11529, 11823, 15201, 23058, 23646, 30402, 34343, 35469, 68686, 70938, 103029, 106407, 206058, 212814, 240401, 309087, 480802, 618174, 721203, 927261, 1442406, 1854522, 2163609, 4327218, 6490827, 12981654]

約数ペア:

[(1, 12981654), (2, 6490827), (3, 4327218), (6, 2163609), (7, 1854522), (9, 1442406), (14, 927261), (18, 721203), (21, 618174), (27, 480802), (42, 309087), (54, 240401), (61, 212814), (63, 206058), (122, 106407), (126, 103029), (183, 70938), (189, 68686), (366, 35469), (378, 34343), (427, 30402), (549, 23646), (563, 23058), (854, 15201), (1098, 11823), (1126, 11529), (1281, 10134), (1647, 7882), (1689, 7686), (2562, 5067), (3294, 3941), (3378, 3843)]