42707721

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{13649}}^1$

素因数の和:13808

約数の個数: 16

約数和(自身を含む): 65520000

約数和(自身を除く): 22812279

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 13649, 40947, 95543, 286629, 2033701, 6101103, 14235907, 42707721]

約数ペア:

[(1, 42707721), (3, 14235907), (7, 6101103), (21, 2033701), (149, 286629), (447, 95543), (1043, 40947), (3129, 13649)]