39861645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 68124672

約数和(自身を除く): 28263027

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2687, 2967, 4945, 8061, 13435, 14835, 40305, 61801, 115541, 185403, 309005, 346623, 577705, 927015, 1733115, 2657443, 7972329, 13287215, 39861645]

約数ペア:

[(1, 39861645), (3, 13287215), (5, 7972329), (15, 2657443), (23, 1733115), (43, 927015), (69, 577705), (115, 346623), (129, 309005), (215, 185403), (345, 115541), (645, 61801), (989, 40305), (2687, 14835), (2967, 13435), (4945, 8061)]