219628725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127321}}^1$

素因数の和:127357

約数の個数: 24

約数和(自身を含む): 378910272

約数和(自身を除く): 159281547

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 127321, 381963, 636605, 1909815, 2928383, 3183025, 8785149, 9549075, 14641915, 43925745, 73209575, 219628725]

約数ペア:

[(1, 219628725), (3, 73209575), (5, 43925745), (15, 14641915), (23, 9549075), (25, 8785149), (69, 3183025), (75, 2928383), (115, 1909815), (345, 636605), (575, 381963), (1725, 127321)]