7218855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{7639}}^1$

素因数の和:7660

約数の個数: 32

約数和(自身を含む): 14668800

約数和(自身を除く): 7449945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 7639, 22917, 38195, 53473, 68751, 114585, 160419, 206253, 267365, 343755, 481257, 802095, 1031265, 1443771, 2406285, 7218855]

約数ペア:

[(1, 7218855), (3, 2406285), (5, 1443771), (7, 1031265), (9, 802095), (15, 481257), (21, 343755), (27, 267365), (35, 206253), (45, 160419), (63, 114585), (105, 68751), (135, 53473), (189, 38195), (315, 22917), (945, 7639)]