2016987021

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1277}}^1$

素因数の和:1491

約数の個数: 64

約数和(自身を含む): 3499061760

約数和(自身を除く): 1482074739

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 137, 183, 189, 411, 427, 549, 959, 1233, 1277, 1281, 1647, 2877, 3699, 3831, 3843, 8357, 8631, 8939, 11493, 11529, 25071, 25893, 26817, 34479, 58499, 75213, 77897, 80451, 174949, 175497, 225639, 233691, 241353, 524847, 526491, 545279, 701073, 1224643, 1574541, 1579473, 1635837, 2103219, 3673929, 4723623, 4907511, 10671889, 11021787, 14722533, 32015667, 33065361, 74703223, 96047001, 224109669, 288141003, 672329007, 2016987021]

約数ペア:

[(1, 2016987021), (3, 672329007), (7, 288141003), (9, 224109669), (21, 96047001), (27, 74703223), (61, 33065361), (63, 32015667), (137, 14722533), (183, 11021787), (189, 10671889), (411, 4907511), (427, 4723623), (549, 3673929), (959, 2103219), (1233, 1635837), (1277, 1579473), (1281, 1574541), (1647, 1224643), (2877, 701073), (3699, 545279), (3831, 526491), (3843, 524847), (8357, 241353), (8631, 233691), (8939, 225639), (11493, 175497), (11529, 174949), (25071, 80451), (25893, 77897), (26817, 75213), (34479, 58499)]