72953881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 101154816

約数和(自身を除く): 28200935

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2351, 2387, 2821, 4433, 16457, 25861, 30563, 31031, 72881, 181027, 213941, 336193, 510167, 801691, 947453, 2353351, 5611837, 6632171, 10421983, 72953881]

約数ペア:

[(1, 72953881), (7, 10421983), (11, 6632171), (13, 5611837), (31, 2353351), (77, 947453), (91, 801691), (143, 510167), (217, 336193), (341, 213941), (403, 181027), (1001, 72881), (2351, 31031), (2387, 30563), (2821, 25861), (4433, 16457)]