31218306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20089}}^1$

素因数の和:20138

約数の個数: 32

約数和(自身を含む): 73288320

約数和(自身を除く): 42070014

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 20089, 40178, 60267, 120534, 140623, 281246, 421869, 743293, 843738, 1486586, 2229879, 4459758, 5203051, 10406102, 15609153, 31218306]

約数ペア:

[(1, 31218306), (2, 15609153), (3, 10406102), (6, 5203051), (7, 4459758), (14, 2229879), (21, 1486586), (37, 843738), (42, 743293), (74, 421869), (111, 281246), (222, 140623), (259, 120534), (518, 60267), (777, 40178), (1554, 20089)]