81827473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 105557760

約数和(自身を除く): 23730287

約数列:

[1, 7, 13, 29, 91, 101, 203, 307, 377, 707, 1313, 2149, 2639, 2929, 3991, 8903, 9191, 20503, 27937, 31007, 38077, 62321, 115739, 217049, 266539, 403091, 810173, 899203, 2821637, 6294421, 11689639, 81827473]

約数ペア:

[(1, 81827473), (7, 11689639), (13, 6294421), (29, 2821637), (91, 899203), (101, 810173), (203, 403091), (307, 266539), (377, 217049), (707, 115739), (1313, 62321), (2149, 38077), (2639, 31007), (2929, 27937), (3991, 20503), (8903, 9191)]