172977981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{38261}}^1$

素因数の和:38412

約数の個数: 16

約数和(自身を含む): 253447488

約数和(自身を除く): 80469507

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 38261, 114783, 420871, 1262613, 5241757, 15725271, 57659327, 172977981]

約数ペア:

[(1, 172977981), (3, 57659327), (11, 15725271), (33, 5241757), (137, 1262613), (411, 420871), (1507, 114783), (4521, 38261)]