2186691

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 3337920

約数和(自身を除く): 1151229

約数列:

[1, 3, 13, 19, 39, 57, 169, 227, 247, 507, 681, 741, 2951, 3211, 4313, 8853, 9633, 12939, 38363, 56069, 115089, 168207, 728897, 2186691]

約数ペア:

[(1, 2186691), (3, 728897), (13, 168207), (19, 115089), (39, 56069), (57, 38363), (169, 12939), (227, 9633), (247, 8853), (507, 4313), (681, 3211), (741, 2951)]