78077745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 145229760

約数和(自身を除く): 67152015

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 795, 855, 1007, 1723, 2385, 3021, 5035, 5169, 8615, 9063, 15105, 15507, 25845, 32737, 45315, 77535, 91319, 98211, 163685, 273957, 294633, 456595, 491055, 821871, 1369785, 1473165, 1735061, 4109355, 5205183, 8675305, 15615549, 26025915, 78077745]

約数ペア:

[(1, 78077745), (3, 26025915), (5, 15615549), (9, 8675305), (15, 5205183), (19, 4109355), (45, 1735061), (53, 1473165), (57, 1369785), (95, 821871), (159, 491055), (171, 456595), (265, 294633), (285, 273957), (477, 163685), (795, 98211), (855, 91319), (1007, 77535), (1723, 45315), (2385, 32737), (3021, 25845), (5035, 15507), (5169, 15105), (8615, 9063)]