991011219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{1753}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 1484473344

約数和(自身を除く): 493462125

約数列:

[1, 3, 11, 33, 37, 111, 407, 463, 1221, 1389, 1753, 5093, 5259, 15279, 17131, 19283, 51393, 57849, 64861, 188441, 194583, 565323, 713471, 811639, 2140413, 2434917, 8928029, 26784087, 30030643, 90091929, 330337073, 991011219]

約数ペア:

[(1, 991011219), (3, 330337073), (11, 90091929), (33, 30030643), (37, 26784087), (111, 8928029), (407, 2434917), (463, 2140413), (1221, 811639), (1389, 713471), (1753, 565323), (5093, 194583), (5259, 188441), (15279, 64861), (17131, 57849), (19283, 51393)]