210837753

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{5861}}^1$

素因数の和:6445

約数の個数: 24

約数和(自身を含む): 348718656

約数和(自身を除く): 137880903

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 3997, 5139, 5861, 11991, 17583, 35973, 41027, 52749, 123081, 369243, 3346631, 10039893, 23426417, 30119679, 70279251, 210837753]

約数ペア:

[(1, 210837753), (3, 70279251), (7, 30119679), (9, 23426417), (21, 10039893), (63, 3346631), (571, 369243), (1713, 123081), (3997, 52749), (5139, 41027), (5861, 35973), (11991, 17583)]