19215225

素因数分解:

$3^5\times 5^2\times {\mathrm{3163}}^1$

素因数の和:3188

約数の個数: 36

約数和(自身を含む): 35702576

約数和(自身を除く): 16487351

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3163, 6075, 9489, 15815, 28467, 47445, 79075, 85401, 142335, 237225, 256203, 427005, 711675, 768609, 1281015, 2135025, 3843045, 6405075, 19215225]

約数ペア:

[(1, 19215225), (3, 6405075), (5, 3843045), (9, 2135025), (15, 1281015), (25, 768609), (27, 711675), (45, 427005), (75, 256203), (81, 237225), (135, 142335), (225, 85401), (243, 79075), (405, 47445), (675, 28467), (1215, 15815), (2025, 9489), (3163, 6075)]