81240726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2017}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 190483056

約数和(自身を除く): 109242330

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 822, 959, 1918, 2017, 2877, 4034, 5754, 6051, 6713, 12102, 13426, 14119, 20139, 28238, 40278, 42357, 84714, 98833, 197666, 276329, 296499, 552658, 592998, 828987, 1657974, 1934303, 3868606, 5802909, 11605818, 13540121, 27080242, 40620363, 81240726]

約数ペア:

[(1, 81240726), (2, 40620363), (3, 27080242), (6, 13540121), (7, 11605818), (14, 5802909), (21, 3868606), (42, 1934303), (49, 1657974), (98, 828987), (137, 592998), (147, 552658), (274, 296499), (294, 276329), (411, 197666), (822, 98833), (959, 84714), (1918, 42357), (2017, 40278), (2877, 28238), (4034, 20139), (5754, 14119), (6051, 13426), (6713, 12102)]