208798857

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 320732160

約数和(自身を除く): 111933303

約数列:

[1, 3, 9, 27, 31, 93, 279, 313, 797, 837, 939, 2391, 2817, 7173, 8451, 9703, 21519, 24707, 29109, 74121, 87327, 222363, 249461, 261981, 667089, 748383, 2245149, 6735447, 7733291, 23199873, 69599619, 208798857]

約数ペア:

[(1, 208798857), (3, 69599619), (9, 23199873), (27, 7733291), (31, 6735447), (93, 2245149), (279, 748383), (313, 667089), (797, 261981), (837, 249461), (939, 222363), (2391, 87327), (2817, 74121), (7173, 29109), (8451, 24707), (9703, 21519)]