1943385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 3345408

約数和(自身を除く): 1402023

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 131, 215, 345, 393, 645, 655, 989, 1965, 2967, 3013, 4945, 5633, 9039, 14835, 15065, 16899, 28165, 45195, 84495, 129559, 388677, 647795, 1943385]

約数ペア:

[(1, 1943385), (3, 647795), (5, 388677), (15, 129559), (23, 84495), (43, 45195), (69, 28165), (115, 16899), (129, 15065), (131, 14835), (215, 9039), (345, 5633), (393, 4945), (645, 3013), (655, 2967), (989, 1965)]