3963981

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 6543360

約数和(自身を除く): 2579379

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 283, 483, 609, 667, 849, 1981, 2001, 4669, 5943, 6509, 8207, 14007, 19527, 24621, 45563, 57449, 136689, 172347, 188761, 566283, 1321327, 3963981]

約数ペア:

[(1, 3963981), (3, 1321327), (7, 566283), (21, 188761), (23, 172347), (29, 136689), (69, 57449), (87, 45563), (161, 24621), (203, 19527), (283, 14007), (483, 8207), (609, 6509), (667, 5943), (849, 4669), (1981, 2001)]