31615353

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 60914304

約数和(自身を除く): 29298951

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 81, 99, 111, 137, 189, 231, 259, 297, 333, 407, 411, 567, 693, 777, 891, 959, 999, 1221, 1233, 1507, 2079, 2331, 2849, 2877, 2997, 3663, 3699, 4521, 5069, 6237, 6993, 8547, 8631, 10549, 10989, 11097, 13563, 15207, 20979, 25641, 25893, 31647, 32967, 35483, 40689, 45621, 55759, 76923, 77679, 94941, 106449, 122067, 136863, 167277, 230769, 284823, 319347, 390313, 410589, 501831, 854469, 958041, 1170939, 1505493, 2874123, 3512817, 4516479, 10538451, 31615353]

約数ペア:

[(1, 31615353), (3, 10538451), (7, 4516479), (9, 3512817), (11, 2874123), (21, 1505493), (27, 1170939), (33, 958041), (37, 854469), (63, 501831), (77, 410589), (81, 390313), (99, 319347), (111, 284823), (137, 230769), (189, 167277), (231, 136863), (259, 122067), (297, 106449), (333, 94941), (407, 77679), (411, 76923), (567, 55759), (693, 45621), (777, 40689), (891, 35483), (959, 32967), (999, 31647), (1221, 25893), (1233, 25641), (1507, 20979), (2079, 15207), (2331, 13563), (2849, 11097), (2877, 10989), (2997, 10549), (3663, 8631), (3699, 8547), (4521, 6993), (5069, 6237)]