242535741

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{86837}}^1$

素因数の和:86873

約数の個数: 24

約数和(自身を含む): 395981280

約数和(自身を除く): 153445539

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 86837, 260511, 607859, 1649903, 1823577, 4255013, 4949709, 11549321, 12765039, 34647963, 80845247, 242535741]

約数ペア:

[(1, 242535741), (3, 80845247), (7, 34647963), (19, 12765039), (21, 11549321), (49, 4949709), (57, 4255013), (133, 1823577), (147, 1649903), (399, 607859), (931, 260511), (2793, 86837)]