72117135

素因数分解:

$3^4\times 5^1\times {\mathrm{178067}}^1$

素因数の和:178084

約数の個数: 20

約数和(自身を含む): 129277368

約数和(自身を除く): 57160233

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178067, 534201, 890335, 1602603, 2671005, 4807809, 8013015, 14423427, 24039045, 72117135]

約数ペア:

[(1, 72117135), (3, 24039045), (5, 14423427), (9, 8013015), (15, 4807809), (27, 2671005), (45, 1602603), (81, 890335), (135, 534201), (405, 178067)]