154774557

素因数分解:

$3^4\times 7^1\times {\mathrm{272971}}^1$

素因数の和:272990

約数の個数: 20

約数和(自身を含む): 264236896

約数和(自身を除く): 109462339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 272971, 818913, 1910797, 2456739, 5732391, 7370217, 17197173, 22110651, 51591519, 154774557]

約数ペア:

[(1, 154774557), (3, 51591519), (7, 22110651), (9, 17197173), (21, 7370217), (27, 5732391), (63, 2456739), (81, 1910797), (189, 818913), (567, 272971)]