72808743

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 114895872

約数和(自身を除く): 42087129

約数列:

[1, 3, 7, 21, 41, 103, 123, 287, 309, 721, 821, 861, 2163, 2463, 4223, 5747, 12669, 17241, 29561, 33661, 84563, 88683, 100983, 235627, 253689, 591941, 706881, 1775823, 3467083, 10401249, 24269581, 72808743]

約数ペア:

[(1, 72808743), (3, 24269581), (7, 10401249), (21, 3467083), (41, 1775823), (103, 706881), (123, 591941), (287, 253689), (309, 235627), (721, 100983), (821, 88683), (861, 84563), (2163, 33661), (2463, 29561), (4223, 17241), (5747, 12669)]