13137575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 18504024

約数和(自身を除く): 5366449

約数列:

[1, 5, 11, 25, 43, 55, 101, 121, 215, 275, 473, 505, 605, 1075, 1111, 2365, 2525, 3025, 4343, 5203, 5555, 11825, 12221, 21715, 26015, 27775, 47773, 61105, 108575, 130075, 238865, 305525, 525503, 1194325, 2627515, 13137575]

約数ペア:

[(1, 13137575), (5, 2627515), (11, 1194325), (25, 525503), (43, 305525), (55, 238865), (101, 130075), (121, 108575), (215, 61105), (275, 47773), (473, 27775), (505, 26015), (605, 21715), (1075, 12221), (1111, 11825), (2365, 5555), (2525, 5203), (3025, 4343)]