17919225

素因数分解:

$3^4\times 5^2\times {\mathrm{8849}}^1$

素因数の和:8871

約数の個数: 30

約数和(自身を含む): 33196350

約数和(自身を除く): 15277125

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8849, 26547, 44245, 79641, 132735, 221225, 238923, 398205, 663675, 716769, 1194615, 1991025, 3583845, 5973075, 17919225]

約数ペア:

[(1, 17919225), (3, 5973075), (5, 3583845), (9, 1991025), (15, 1194615), (25, 716769), (27, 663675), (45, 398205), (75, 238923), (81, 221225), (135, 132735), (225, 79641), (405, 44245), (675, 26547), (2025, 8849)]