31215965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 11361955

約数列:

[1, 5, 11, 41, 55, 109, 127, 205, 451, 545, 635, 1199, 1397, 2255, 4469, 5207, 5995, 6985, 13843, 22345, 26035, 49159, 57277, 69215, 152273, 245795, 286385, 567563, 761365, 2837815, 6243193, 31215965]

約数ペア:

[(1, 31215965), (5, 6243193), (11, 2837815), (41, 761365), (55, 567563), (109, 286385), (127, 245795), (205, 152273), (451, 69215), (545, 57277), (635, 49159), (1199, 26035), (1397, 22345), (2255, 13843), (4469, 6985), (5207, 5995)]