15998697

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 28094976

約数和(自身を除く): 12096279

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 401, 403, 429, 1023, 1203, 1209, 1287, 3069, 3609, 3627, 4411, 4433, 5213, 12431, 13233, 13299, 15639, 37293, 39699, 39897, 46917, 57343, 111879, 136741, 161603, 172029, 410223, 484809, 516087, 1230669, 1454427, 1777633, 5332899, 15998697]

約数ペア:

[(1, 15998697), (3, 5332899), (9, 1777633), (11, 1454427), (13, 1230669), (31, 516087), (33, 484809), (39, 410223), (93, 172029), (99, 161603), (117, 136741), (143, 111879), (279, 57343), (341, 46917), (401, 39897), (403, 39699), (429, 37293), (1023, 15639), (1203, 13299), (1209, 13233), (1287, 12431), (3069, 5213), (3609, 4433), (3627, 4411)]