28724865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7753}}^1$

素因数の和:7793

約数の個数: 32

約数和(自身を含む): 52106880

約数和(自身を除く): 23382015

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7753, 23259, 38765, 100789, 116295, 147307, 302367, 441921, 503945, 736535, 1511835, 1914991, 2209605, 5744973, 9574955, 28724865]

約数ペア:

[(1, 28724865), (3, 9574955), (5, 5744973), (13, 2209605), (15, 1914991), (19, 1511835), (39, 736535), (57, 503945), (65, 441921), (95, 302367), (195, 147307), (247, 116295), (285, 100789), (741, 38765), (1235, 23259), (3705, 7753)]