15813927

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 9276633

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 263, 393, 459, 789, 1179, 2227, 2367, 3537, 4471, 6681, 7101, 13413, 20043, 34453, 40239, 60129, 103359, 120717, 310077, 585701, 930231, 1757103, 5271309, 15813927]

約数ペア:

[(1, 15813927), (3, 5271309), (9, 1757103), (17, 930231), (27, 585701), (51, 310077), (131, 120717), (153, 103359), (263, 60129), (393, 40239), (459, 34453), (789, 20043), (1179, 13413), (2227, 7101), (2367, 6681), (3537, 4471)]