6399981

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 11381760

約数和(自身を除く): 4981779

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 113, 203, 217, 261, 279, 339, 609, 651, 791, 899, 1017, 1827, 1953, 2373, 2697, 3277, 3503, 6293, 7119, 8091, 9831, 10509, 18879, 22939, 24521, 29493, 31527, 56637, 68817, 73563, 101587, 206451, 220689, 304761, 711109, 914283, 2133327, 6399981]

約数ペア:

[(1, 6399981), (3, 2133327), (7, 914283), (9, 711109), (21, 304761), (29, 220689), (31, 206451), (63, 101587), (87, 73563), (93, 68817), (113, 56637), (203, 31527), (217, 29493), (261, 24521), (279, 22939), (339, 18879), (609, 10509), (651, 9831), (791, 8091), (899, 7119), (1017, 6293), (1827, 3503), (1953, 3277), (2373, 2697)]