2874123

素因数分解:

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

素因数の和:193

約数の個数: 40

約数和(自身を含む): 5076192

約数和(自身を除く): 2202069

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 137, 189, 259, 333, 411, 567, 777, 959, 999, 1233, 2331, 2877, 2997, 3699, 5069, 6993, 8631, 11097, 15207, 20979, 25893, 35483, 45621, 77679, 106449, 136863, 319347, 410589, 958041, 2874123]

約数ペア:

[(1, 2874123), (3, 958041), (7, 410589), (9, 319347), (21, 136863), (27, 106449), (37, 77679), (63, 45621), (81, 35483), (111, 25893), (137, 20979), (189, 15207), (259, 11097), (333, 8631), (411, 6993), (567, 5069), (777, 3699), (959, 2997), (999, 2877), (1233, 2331)]