212740263

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{17627}}^1$

素因数の和:17788

約数の個数: 20

約数和(自身を含む): 319948200

約数和(自身を除く): 107207937

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 17627, 52881, 158643, 475929, 1427787, 2626423, 7879269, 23637807, 70913421, 212740263]

約数ペア:

[(1, 212740263), (3, 70913421), (9, 23637807), (27, 7879269), (81, 2626423), (149, 1427787), (447, 475929), (1341, 158643), (4023, 52881), (12069, 17627)]