81901761

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{3413}}^1$

素因数の和:3856

約数の個数: 16

約数和(自身を含む): 115256640

約数和(自身を除く): 33354879

約数列:

[1, 3, 19, 57, 421, 1263, 3413, 7999, 10239, 23997, 64847, 194541, 1436873, 4310619, 27300587, 81901761]

約数ペア:

[(1, 81901761), (3, 27300587), (19, 4310619), (57, 1436873), (421, 194541), (1263, 64847), (3413, 23997), (7999, 10239)]