87312897

素因数分解:

$3^4\times 7^1\times {\mathrm{153991}}^1$

素因数の和:154010

約数の個数: 20

約数和(自身を含む): 149064256

約数和(自身を除く): 61751359

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 153991, 461973, 1077937, 1385919, 3233811, 4157757, 9701433, 12473271, 29104299, 87312897]

約数ペア:

[(1, 87312897), (3, 29104299), (7, 12473271), (9, 9701433), (21, 4157757), (27, 3233811), (63, 1385919), (81, 1077937), (189, 461973), (567, 153991)]