641523927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{941}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 950259456

約数和(自身を除く): 308735529

約数列:

[1, 3, 11, 33, 73, 219, 283, 803, 849, 941, 2409, 2823, 3113, 9339, 10351, 20659, 31053, 61977, 68693, 206079, 227249, 266303, 681747, 755623, 798909, 2266869, 2929333, 8787999, 19440119, 58320357, 213841309, 641523927]

約数ペア:

[(1, 641523927), (3, 213841309), (11, 58320357), (33, 19440119), (73, 8787999), (219, 2929333), (283, 2266869), (803, 798909), (849, 755623), (941, 681747), (2409, 266303), (2823, 227249), (3113, 206079), (9339, 68693), (10351, 61977), (20659, 31053)]