28919865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3513

約数の個数: 32

約数和(自身を含む): 51004800

約数和(自身を除く): 22084935

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3449, 8385, 10347, 17245, 44837, 51735, 134511, 148307, 224185, 444921, 672555, 741535, 1927991, 2224605, 5783973, 9639955, 28919865]

約数ペア:

[(1, 28919865), (3, 9639955), (5, 5783973), (13, 2224605), (15, 1927991), (39, 741535), (43, 672555), (65, 444921), (129, 224185), (195, 148307), (215, 134511), (559, 51735), (645, 44837), (1677, 17245), (2795, 10347), (3449, 8385)]