1328975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 1807920

約数和(自身を除く): 478945

約数列:

[1, 5, 17, 25, 53, 59, 85, 265, 295, 425, 901, 1003, 1325, 1475, 3127, 4505, 5015, 15635, 22525, 25075, 53159, 78175, 265795, 1328975]

約数ペア:

[(1, 1328975), (5, 265795), (17, 78175), (25, 53159), (53, 25075), (59, 22525), (85, 15635), (265, 5015), (295, 4505), (425, 3127), (901, 1475), (1003, 1325)]