2011180815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{80819}}^1$

素因数の和:80916

約数の個数: 48

約数和(自身を含む): 4034534400

約数和(自身を除く): 2023353585

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1659, 2765, 3555, 4977, 8295, 24885, 80819, 242457, 404095, 565733, 727371, 1212285, 1697199, 2828665, 3636855, 5091597, 6384701, 8485995, 19154103, 25457985, 31923505, 44692907, 57462309, 95770515, 134078721, 223464535, 287311545, 402236163, 670393605, 2011180815]

約数ペア:

[(1, 2011180815), (3, 670393605), (5, 402236163), (7, 287311545), (9, 223464535), (15, 134078721), (21, 95770515), (35, 57462309), (45, 44692907), (63, 31923505), (79, 25457985), (105, 19154103), (237, 8485995), (315, 6384701), (395, 5091597), (553, 3636855), (711, 2828665), (1185, 1697199), (1659, 1212285), (2765, 727371), (3555, 565733), (4977, 404095), (8295, 242457), (24885, 80819)]