2148121521

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{2957}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 3824481024

約数和(自身を除く): 1676359503

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 887, 2661, 2957, 6209, 7983, 8871, 11531, 18627, 20699, 26613, 34593, 38441, 55881, 62097, 80717, 103779, 115323, 186291, 242151, 269087, 345969, 726453, 807261, 2421783, 2622859, 7868577, 18360013, 23605731, 34097167, 55080039, 102291501, 165240117, 238680169, 306874503, 716040507, 2148121521]

約数ペア:

[(1, 2148121521), (3, 716040507), (7, 306874503), (9, 238680169), (13, 165240117), (21, 102291501), (39, 55080039), (63, 34097167), (91, 23605731), (117, 18360013), (273, 7868577), (819, 2622859), (887, 2421783), (2661, 807261), (2957, 726453), (6209, 345969), (7983, 269087), (8871, 242151), (11531, 186291), (18627, 115323), (20699, 103779), (26613, 80717), (34593, 62097), (38441, 55881)]