81178902

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{214759}}^1$

素因数の和:214777

約数の個数: 32

約数和(自身を含む): 206169600

約数和(自身を除く): 124990698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 214759, 429518, 644277, 1288554, 1503313, 1932831, 3006626, 3865662, 4509939, 5798493, 9019878, 11596986, 13529817, 27059634, 40589451, 81178902]

約数ペア:

[(1, 81178902), (2, 40589451), (3, 27059634), (6, 13529817), (7, 11596986), (9, 9019878), (14, 5798493), (18, 4509939), (21, 3865662), (27, 3006626), (42, 1932831), (54, 1503313), (63, 1288554), (126, 644277), (189, 429518), (378, 214759)]