68471487

素因数分解:

$3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 117681696

約数和(自身を除く): 49210209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 567, 591, 613, 1379, 1773, 1839, 4137, 4291, 5319, 5517, 12411, 12873, 15957, 16551, 37233, 38619, 49653, 111699, 115857, 120761, 347571, 362283, 845327, 1086849, 2535981, 3260547, 7607943, 9781641, 22823829, 68471487]

約数ペア:

[(1, 68471487), (3, 22823829), (7, 9781641), (9, 7607943), (21, 3260547), (27, 2535981), (63, 1086849), (81, 845327), (189, 362283), (197, 347571), (567, 120761), (591, 115857), (613, 111699), (1379, 49653), (1773, 38619), (1839, 37233), (4137, 16551), (4291, 15957), (5319, 12873), (5517, 12411)]