27889722

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 72

約数和(自身を含む): 71207136

約数和(自身を除く): 43317414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 103, 126, 147, 206, 294, 307, 309, 441, 614, 618, 721, 882, 921, 927, 1442, 1842, 1854, 2149, 2163, 2763, 4298, 4326, 5047, 5526, 6447, 6489, 10094, 12894, 12978, 15043, 15141, 19341, 30086, 30282, 31621, 38682, 45129, 45423, 63242, 90258, 90846, 94863, 135387, 189726, 221347, 270774, 284589, 442694, 569178, 664041, 1328082, 1549429, 1992123, 3098858, 3984246, 4648287, 9296574, 13944861, 27889722]

約数ペア:

[(1, 27889722), (2, 13944861), (3, 9296574), (6, 4648287), (7, 3984246), (9, 3098858), (14, 1992123), (18, 1549429), (21, 1328082), (42, 664041), (49, 569178), (63, 442694), (98, 284589), (103, 270774), (126, 221347), (147, 189726), (206, 135387), (294, 94863), (307, 90846), (309, 90258), (441, 63242), (614, 45423), (618, 45129), (721, 38682), (882, 31621), (921, 30282), (927, 30086), (1442, 19341), (1842, 15141), (1854, 15043), (2149, 12978), (2163, 12894), (2763, 10094), (4298, 6489), (4326, 6447), (5047, 5526)]