78216939

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6827}}^1$

素因数の和:6919

約数の個数: 24

約数和(自身を含む): 120719040

約数和(自身を除く): 42502101

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 3819, 6827, 11457, 20481, 61443, 129713, 389139, 457409, 1167417, 1372227, 4116681, 8690771, 26072313, 78216939]

約数ペア:

[(1, 78216939), (3, 26072313), (9, 8690771), (19, 4116681), (57, 1372227), (67, 1167417), (171, 457409), (201, 389139), (603, 129713), (1273, 61443), (3819, 20481), (6827, 11457)]