201081201

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 281943552

約数和(自身を除く): 80862351

約数列:

[1, 3, 43, 73, 129, 131, 163, 219, 393, 489, 3139, 5633, 7009, 9417, 9563, 11899, 16899, 21027, 21353, 28689, 35697, 64059, 411209, 511657, 918179, 1233627, 1534971, 1558769, 2754537, 4676307, 67027067, 201081201]

約数ペア:

[(1, 201081201), (3, 67027067), (43, 4676307), (73, 2754537), (129, 1558769), (131, 1534971), (163, 1233627), (219, 918179), (393, 511657), (489, 411209), (3139, 64059), (5633, 35697), (7009, 28689), (9417, 21353), (9563, 21027), (11899, 16899)]