1821980187

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{41801}}^1$

素因数の和:42003

約数の個数: 24

約数和(自身を含む): 2738867040

約数和(自身を除く): 916886853

約数列:

[1, 3, 9, 29, 87, 167, 261, 501, 1503, 4843, 14529, 41801, 43587, 125403, 376209, 1212229, 3636687, 6980767, 10910061, 20942301, 62826903, 202442243, 607326729, 1821980187]

約数ペア:

[(1, 1821980187), (3, 607326729), (9, 202442243), (29, 62826903), (87, 20942301), (167, 10910061), (261, 6980767), (501, 3636687), (1503, 1212229), (4843, 376209), (14529, 125403), (41801, 43587)]