208050765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 374341632

約数和(自身を除く): 166290867

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 127, 155, 195, 271, 381, 403, 465, 635, 813, 1209, 1355, 1651, 1905, 2015, 3523, 3937, 4065, 4953, 6045, 8255, 8401, 10569, 11811, 17615, 19685, 24765, 25203, 34417, 42005, 51181, 52845, 59055, 103251, 109213, 126015, 153543, 172085, 255905, 327639, 447421, 516255, 546065, 767715, 1066927, 1342263, 1638195, 2237105, 3200781, 5334635, 6711315, 13870051, 16003905, 41610153, 69350255, 208050765]

約数ペア:

[(1, 208050765), (3, 69350255), (5, 41610153), (13, 16003905), (15, 13870051), (31, 6711315), (39, 5334635), (65, 3200781), (93, 2237105), (127, 1638195), (155, 1342263), (195, 1066927), (271, 767715), (381, 546065), (403, 516255), (465, 447421), (635, 327639), (813, 255905), (1209, 172085), (1355, 153543), (1651, 126015), (1905, 109213), (2015, 103251), (3523, 59055), (3937, 52845), (4065, 51181), (4953, 42005), (6045, 34417), (8255, 25203), (8401, 24765), (10569, 19685), (11811, 17615)]