40405947

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 55226880

約数和(自身を除く): 14820933

約数列:

[1, 3, 47, 141, 509, 563, 1527, 1689, 23923, 26461, 71769, 79383, 286567, 859701, 13468649, 40405947]

約数ペア:

[(1, 40405947), (3, 13468649), (47, 859701), (141, 286567), (509, 79383), (563, 71769), (1527, 26461), (1689, 23923)]