991605.00000000

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 19663461

約数列:

[1, 3, 9, 19, 23, 57, 69, 71, 113, 171, 207, 213, 339, 437, 639, 1017, 1311, 1349, 1633, 2147, 2599, 3933, 4047, 4899, 6441, 7797, 8023, 12141, 14697, 19323, 23391, 24069, 31027, 49381, 72207, 93081, 148143, 152437, 184529, 279243, 444429, 457311, 553587, 1371933, 1660761, 3506051, 10518153, 31554459]

約数ペア:

[(1, 31554459), (3, 10518153), (9, 3506051), (19, 1660761), (23, 1371933), (57, 553587), (69, 457311), (71, 444429), (113, 279243), (171, 184529), (207, 152437), (213, 148143), (339, 93081), (437, 72207), (639, 49381), (1017, 31027), (1311, 24069), (1349, 23391), (1633, 19323), (2147, 14697), (2599, 12141), (3933, 8023), (4047, 7797), (4899, 6441)]