155909043

素因数分解:

$3^9\times {\mathrm{89}}^2$

素因数の和:205

約数の個数: 30

約数和(自身を含む): 236516764

約数和(自身を除く): 80607721

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 729, 801, 2187, 2403, 6561, 7209, 7921, 19683, 21627, 23763, 64881, 71289, 194643, 213867, 583929, 641601, 1751787, 1924803, 5774409, 17323227, 51969681, 155909043]

約数ペア:

[(1, 155909043), (3, 51969681), (9, 17323227), (27, 5774409), (81, 1924803), (89, 1751787), (243, 641601), (267, 583929), (729, 213867), (801, 194643), (2187, 71289), (2403, 64881), (6561, 23763), (7209, 21627), (7921, 19683)]