90899361

素因数分解:

$3^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 158177280

約数和(自身を除く): 67277919

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 127, 147, 189, 381, 441, 541, 889, 1143, 1323, 1623, 2667, 3429, 3787, 4869, 6223, 8001, 11361, 14607, 18669, 24003, 26509, 34083, 56007, 68707, 79527, 102249, 168021, 206121, 238581, 480949, 618363, 715743, 1442847, 1855089, 3366643, 4328541, 10099929, 12985623, 30299787, 90899361]

約数ペア:

[(1, 90899361), (3, 30299787), (7, 12985623), (9, 10099929), (21, 4328541), (27, 3366643), (49, 1855089), (63, 1442847), (127, 715743), (147, 618363), (189, 480949), (381, 238581), (441, 206121), (541, 168021), (889, 102249), (1143, 79527), (1323, 68707), (1623, 56007), (2667, 34083), (3429, 26509), (3787, 24003), (4869, 18669), (6223, 14607), (8001, 11361)]