72135021

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{25073}}^1$

素因数の和:25220

約数の個数: 16

約数和(自身を含む): 110726784

約数和(自身を除く): 38591763

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 25073, 75219, 175511, 526533, 3435001, 10305003, 24045007, 72135021]

約数ペア:

[(1, 72135021), (3, 24045007), (7, 10305003), (21, 3435001), (137, 526533), (411, 175511), (959, 75219), (2877, 25073)]