28661031

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3823}}^1$

素因数の和:3860

約数の個数: 36

約数和(自身を含む): 51004512

約数和(自身を除く): 22343481

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 3823, 7497, 11469, 26761, 34407, 64991, 80283, 187327, 194973, 240849, 454937, 561981, 584919, 1364811, 1685943, 3184559, 4094433, 9553677, 28661031]

約数ペア:

[(1, 28661031), (3, 9553677), (7, 4094433), (9, 3184559), (17, 1685943), (21, 1364811), (49, 584919), (51, 561981), (63, 454937), (119, 240849), (147, 194973), (153, 187327), (357, 80283), (441, 64991), (833, 34407), (1071, 26761), (2499, 11469), (3823, 7497)]