2021609955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{136273}}^1$

素因数の和:136347

約数の個数: 32

約数和(自身を含む): 3453728256

約数和(自身を除く): 1432118301

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4945, 14835, 136273, 408819, 681365, 2044095, 3134279, 5859739, 9402837, 15671395, 17579217, 29298695, 47014185, 87896085, 134773997, 404321991, 673869985, 2021609955]

約数ペア:

[(1, 2021609955), (3, 673869985), (5, 404321991), (15, 134773997), (23, 87896085), (43, 47014185), (69, 29298695), (115, 17579217), (129, 15671395), (215, 9402837), (345, 5859739), (645, 3134279), (989, 2044095), (2967, 681365), (4945, 408819), (14835, 136273)]