18081225

素因数分解:

$3^4\times 5^2\times {\mathrm{8929}}^1$

素因数の和:8951

約数の個数: 30

約数和(自身を含む): 33496430

約数和(自身を除く): 15415205

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8929, 26787, 44645, 80361, 133935, 223225, 241083, 401805, 669675, 723249, 1205415, 2009025, 3616245, 6027075, 18081225]

約数ペア:

[(1, 18081225), (3, 6027075), (5, 3616245), (9, 2009025), (15, 1205415), (25, 723249), (27, 669675), (45, 401805), (75, 241083), (81, 223225), (135, 133935), (225, 80361), (405, 44645), (675, 26787), (2025, 8929)]