28261455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 20260785

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1871, 3021, 5035, 5613, 9355, 15105, 28065, 35549, 99163, 106647, 177745, 297489, 495815, 533235, 1487445, 1884097, 5652291, 9420485, 28261455]

約数ペア:

[(1, 28261455), (3, 9420485), (5, 5652291), (15, 1884097), (19, 1487445), (53, 533235), (57, 495815), (95, 297489), (159, 177745), (265, 106647), (285, 99163), (795, 35549), (1007, 28065), (1871, 15105), (3021, 9355), (5035, 5613)]