1622025

素因数分解:

$3^6\times 5^2\times {\mathrm{89}}^1$

素因数の和:117

約数の個数: 42

約数和(自身を含む): 3049470

約数和(自身を除く): 1427445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 135, 225, 243, 267, 405, 445, 675, 729, 801, 1215, 1335, 2025, 2225, 2403, 3645, 4005, 6075, 6675, 7209, 12015, 18225, 20025, 21627, 36045, 60075, 64881, 108135, 180225, 324405, 540675, 1622025]

約数ペア:

[(1, 1622025), (3, 540675), (5, 324405), (9, 180225), (15, 108135), (25, 64881), (27, 60075), (45, 36045), (75, 21627), (81, 20025), (89, 18225), (135, 12015), (225, 7209), (243, 6675), (267, 6075), (405, 4005), (445, 3645), (675, 2403), (729, 2225), (801, 2025), (1215, 1335)]