1977721215

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1\times {\mathrm{937}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 3186978816

約数和(自身を除く): 1209257601

約数列:

[1, 3, 5, 15, 223, 631, 669, 937, 1115, 1893, 2811, 3155, 3345, 4685, 9465, 14055, 140713, 208951, 422139, 591247, 626853, 703565, 1044755, 1773741, 2110695, 2956235, 3134265, 8868705, 131848081, 395544243, 659240405, 1977721215]

約数ペア:

[(1, 1977721215), (3, 659240405), (5, 395544243), (15, 131848081), (223, 8868705), (631, 3134265), (669, 2956235), (937, 2110695), (1115, 1773741), (1893, 1044755), (2811, 703565), (3155, 626853), (3345, 591247), (4685, 422139), (9465, 208951), (14055, 140713)]