18228645

素因数分解:

$3^7\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 32826240

約数和(自身を除く): 14597595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1667, 2187, 3645, 5001, 8335, 10935, 15003, 25005, 45009, 75015, 135027, 225045, 405081, 675135, 1215243, 2025405, 3645729, 6076215, 18228645]

約数ペア:

[(1, 18228645), (3, 6076215), (5, 3645729), (9, 2025405), (15, 1215243), (27, 675135), (45, 405081), (81, 225045), (135, 135027), (243, 75015), (405, 45009), (729, 25005), (1215, 15003), (1667, 10935), (2187, 8335), (3645, 5001)]