1080405

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 1969920

約数和(自身を除く): 889515

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 151, 159, 265, 453, 477, 755, 795, 1359, 1431, 2265, 2385, 4077, 6795, 7155, 8003, 20385, 24009, 40015, 72027, 120045, 216081, 360135, 1080405]

約数ペア:

[(1, 1080405), (3, 360135), (5, 216081), (9, 120045), (15, 72027), (27, 40015), (45, 24009), (53, 20385), (135, 8003), (151, 7155), (159, 6795), (265, 4077), (453, 2385), (477, 2265), (755, 1431), (795, 1359)]