31283265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 54343296

約数和(自身を除く): 23060031

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1171, 1781, 2055, 3513, 5343, 5855, 8905, 15223, 17565, 26715, 45669, 76115, 160427, 228345, 481281, 802135, 2085551, 2406405, 6256653, 10427755, 31283265]

約数ペア:

[(1, 31283265), (3, 10427755), (5, 6256653), (13, 2406405), (15, 2085551), (39, 802135), (65, 481281), (137, 228345), (195, 160427), (411, 76115), (685, 45669), (1171, 26715), (1781, 17565), (2055, 15223), (3513, 8905), (5343, 5855)]