397397574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{3153949}}^1$

素因数の和:3153964

約数の個数: 24

約数和(自身を含む): 984032400

約数和(自身を除く): 586634826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 3153949, 6307898, 9461847, 18923694, 22077643, 28385541, 44155286, 56771082, 66232929, 132465858, 198698787, 397397574]

約数ペア:

[(1, 397397574), (2, 198698787), (3, 132465858), (6, 66232929), (7, 56771082), (9, 44155286), (14, 28385541), (18, 22077643), (21, 18923694), (42, 9461847), (63, 6307898), (126, 3153949)]