16818225

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4231}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 28337472

約数和(自身を除く): 11519247

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 4231, 12693, 21155, 63465, 105775, 224243, 317325, 672729, 1121215, 3363645, 5606075, 16818225]

約数ペア:

[(1, 16818225), (3, 5606075), (5, 3363645), (15, 1121215), (25, 672729), (53, 317325), (75, 224243), (159, 105775), (265, 63465), (795, 21155), (1325, 12693), (3975, 4231)]