78489855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91801}}^1$

素因数の和:91831

約数の個数: 24

約数和(自身を含む): 143211120

約数和(自身を除く): 64721265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 91801, 275403, 459005, 826209, 1377015, 1744219, 4131045, 5232657, 8721095, 15697971, 26163285, 78489855]

約数ペア:

[(1, 78489855), (3, 26163285), (5, 15697971), (9, 8721095), (15, 5232657), (19, 4131045), (45, 1744219), (57, 1377015), (95, 826209), (171, 459005), (285, 275403), (855, 91801)]