215871426

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{210401}}^1$

素因数の和:210431

約数の個数: 32

約数和(自身を含む): 504964800

約数和(自身を除く): 289093374

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 210401, 420802, 631203, 1262406, 1893609, 3787218, 3997619, 5680827, 7995238, 11361654, 11992857, 23985714, 35978571, 71957142, 107935713, 215871426]

約数ペア:

[(1, 215871426), (2, 107935713), (3, 71957142), (6, 35978571), (9, 23985714), (18, 11992857), (19, 11361654), (27, 7995238), (38, 5680827), (54, 3997619), (57, 3787218), (114, 1893609), (171, 1262406), (342, 631203), (513, 420802), (1026, 210401)]