31203081

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 26105079

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1229, 1953, 2821, 3627, 3687, 8463, 8603, 11061, 15977, 25389, 25809, 38099, 47931, 77427, 111839, 114297, 143793, 266693, 335517, 342891, 495287, 800079, 1006551, 1485861, 2400237, 3467009, 4457583, 10401027, 31203081]

約数ペア:

[(1, 31203081), (3, 10401027), (7, 4457583), (9, 3467009), (13, 2400237), (21, 1485861), (31, 1006551), (39, 800079), (63, 495287), (91, 342891), (93, 335517), (117, 266693), (217, 143793), (273, 114297), (279, 111839), (403, 77427), (651, 47931), (819, 38099), (1209, 25809), (1229, 25389), (1953, 15977), (2821, 11061), (3627, 8603), (3687, 8463)]