1928205

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^2$

素因数の和:69

約数の個数: 42

約数和(自身を含む): 3626574

約数和(自身を除く): 1698369

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 529, 621, 729, 1035, 1215, 1587, 1863, 2645, 3105, 3645, 4761, 5589, 7935, 9315, 14283, 16767, 23805, 27945, 42849, 71415, 83835, 128547, 214245, 385641, 642735, 1928205]

約数ペア:

[(1, 1928205), (3, 642735), (5, 385641), (9, 214245), (15, 128547), (23, 83835), (27, 71415), (45, 42849), (69, 27945), (81, 23805), (115, 16767), (135, 14283), (207, 9315), (243, 7935), (345, 5589), (405, 4761), (529, 3645), (621, 3105), (729, 2645), (1035, 1863), (1215, 1587)]