210545517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40591}}^1$

素因数の和:40633

約数の個数: 32

約数和(自身を含む): 363704320

約数和(自身を除く): 153158803

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 40591, 121773, 284137, 527683, 771229, 852411, 1583049, 2313687, 3693781, 5398603, 10025977, 11081343, 16195809, 30077931, 70181839, 210545517]

約数ペア:

[(1, 210545517), (3, 70181839), (7, 30077931), (13, 16195809), (19, 11081343), (21, 10025977), (39, 5398603), (57, 3693781), (91, 2313687), (133, 1583049), (247, 852411), (273, 771229), (399, 527683), (741, 284137), (1729, 121773), (5187, 40591)]