201698997

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{1997}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 272175552

約数和(自身を除く): 70476555

約数列:

[1, 3, 131, 257, 393, 771, 1997, 5991, 33667, 101001, 261607, 513229, 784821, 1539687, 67232999, 201698997]

約数ペア:

[(1, 201698997), (3, 67232999), (131, 1539687), (257, 784821), (393, 513229), (771, 261607), (1997, 101001), (5991, 33667)]