47820321

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 77851200

約数和(自身を除く): 30030879

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 97, 171, 279, 291, 513, 589, 837, 873, 961, 1767, 1843, 2619, 2883, 3007, 5301, 5529, 8649, 9021, 15903, 16587, 18259, 25947, 27063, 49761, 54777, 57133, 81189, 93217, 164331, 171399, 279651, 492993, 514197, 838953, 1542591, 1771123, 2516859, 5313369, 15940107, 47820321]

約数ペア:

[(1, 47820321), (3, 15940107), (9, 5313369), (19, 2516859), (27, 1771123), (31, 1542591), (57, 838953), (93, 514197), (97, 492993), (171, 279651), (279, 171399), (291, 164331), (513, 93217), (589, 81189), (837, 57133), (873, 54777), (961, 49761), (1767, 27063), (1843, 25947), (2619, 18259), (2883, 16587), (3007, 15903), (5301, 9021), (5529, 8649)]