72453285

素因数分解:

$3^4\times 5^1\times {\mathrm{178897}}^1$

素因数の和:178914

約数の個数: 20

約数和(自身を含む): 129879948

約数和(自身を除く): 57426663

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178897, 536691, 894485, 1610073, 2683455, 4830219, 8050365, 14490657, 24151095, 72453285]

約数ペア:

[(1, 72453285), (3, 24151095), (5, 14490657), (9, 8050365), (15, 4830219), (27, 2683455), (45, 1610073), (81, 894485), (135, 536691), (405, 178897)]