18287451

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 33755904

約数和(自身を除く): 15468453

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 827, 1053, 1701, 2457, 2481, 3159, 5789, 7371, 7443, 10751, 17367, 22113, 22329, 32253, 52101, 66987, 75257, 96759, 156303, 200961, 225771, 290277, 468909, 677313, 870831, 1406727, 2031939, 2612493, 6095817, 18287451]

約数ペア:

[(1, 18287451), (3, 6095817), (7, 2612493), (9, 2031939), (13, 1406727), (21, 870831), (27, 677313), (39, 468909), (63, 290277), (81, 225771), (91, 200961), (117, 156303), (189, 96759), (243, 75257), (273, 66987), (351, 52101), (567, 32253), (819, 22329), (827, 22113), (1053, 17367), (1701, 10751), (2457, 7443), (2481, 7371), (3159, 5789)]