202180281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 291658752

約数和(自身を除く): 89478471

約数列:

[1, 3, 23, 43, 69, 83, 129, 249, 821, 989, 1909, 2463, 2967, 3569, 5727, 10707, 18883, 35303, 56649, 68143, 82087, 105909, 204429, 246261, 811969, 1567289, 2435907, 2930149, 4701867, 8790447, 67393427, 202180281]

約数ペア:

[(1, 202180281), (3, 67393427), (23, 8790447), (43, 4701867), (69, 2930149), (83, 2435907), (129, 1567289), (249, 811969), (821, 246261), (989, 204429), (1909, 105909), (2463, 82087), (2967, 68143), (3569, 56649), (5727, 35303), (10707, 18883)]