57921381

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 101088000

約数和(自身を除く): 43166619

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 609, 647, 1029, 1421, 1827, 1941, 3087, 4263, 4529, 5823, 9947, 12789, 13587, 18763, 29841, 31703, 40761, 56289, 89523, 95109, 131341, 168867, 221921, 285327, 394023, 665763, 919387, 1182069, 1997289, 2758161, 6435709, 8274483, 19307127, 57921381]

約数ペア:

[(1, 57921381), (3, 19307127), (7, 8274483), (9, 6435709), (21, 2758161), (29, 1997289), (49, 1182069), (63, 919387), (87, 665763), (147, 394023), (203, 285327), (261, 221921), (343, 168867), (441, 131341), (609, 95109), (647, 89523), (1029, 56289), (1421, 40761), (1827, 31703), (1941, 29841), (3087, 18763), (4263, 13587), (4529, 12789), (5823, 9947)]