1680861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 2838528

約数和(自身を除く): 1157667

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 131, 141, 273, 329, 393, 611, 917, 987, 1703, 1833, 2751, 4277, 5109, 6157, 11921, 12831, 18471, 35763, 43099, 80041, 129297, 240123, 560287, 1680861]

約数ペア:

[(1, 1680861), (3, 560287), (7, 240123), (13, 129297), (21, 80041), (39, 43099), (47, 35763), (91, 18471), (131, 12831), (141, 11921), (273, 6157), (329, 5109), (393, 4277), (611, 2751), (917, 1833), (987, 1703)]