215539667

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{1669}}^1$

素因数の和:2666

約数の個数: 16

約数和(自身を含む): 259718400

約数和(自身を除く): 44178733

約数列:

[1, 7, 19, 133, 971, 1669, 6797, 11683, 18449, 31711, 129143, 221977, 1620599, 11344193, 30791381, 215539667]

約数ペア:

[(1, 215539667), (7, 30791381), (19, 11344193), (133, 1620599), (971, 221977), (1669, 129143), (6797, 31711), (11683, 18449)]