2896965

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 5436288

約数和(自身を除く): 2539323

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 311, 345, 405, 621, 933, 1035, 1555, 1863, 2799, 3105, 4665, 7153, 8397, 9315, 13995, 21459, 25191, 35765, 41985, 64377, 107295, 125955, 193131, 321885, 579393, 965655, 2896965]

約数ペア:

[(1, 2896965), (3, 965655), (5, 579393), (9, 321885), (15, 193131), (23, 125955), (27, 107295), (45, 64377), (69, 41985), (81, 35765), (115, 25191), (135, 21459), (207, 13995), (311, 9315), (345, 8397), (405, 7153), (621, 4665), (933, 3105), (1035, 2799), (1555, 1863)]