40153401

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15991}}^1$

素因数の和:16034

約数の個数: 20

約数和(自身を含む): 61921024

約数和(自身を除く): 21767623

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15991, 47973, 143919, 431757, 495721, 1295271, 1487163, 4461489, 13384467, 40153401]

約数ペア:

[(1, 40153401), (3, 13384467), (9, 4461489), (27, 1487163), (31, 1295271), (81, 495721), (93, 431757), (279, 143919), (837, 47973), (2511, 15991)]