287173695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 489277152

約数和(自身を除く): 202103457

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 293, 361, 543, 879, 905, 1083, 1465, 1805, 2715, 3439, 4395, 5415, 5567, 10317, 16701, 17195, 27835, 51585, 53033, 65341, 83505, 105773, 159099, 196023, 265165, 317319, 326705, 528865, 795495, 980115, 1007627, 1586595, 3022881, 5038135, 15114405, 19144913, 57434739, 95724565, 287173695]

約数ペア:

[(1, 287173695), (3, 95724565), (5, 57434739), (15, 19144913), (19, 15114405), (57, 5038135), (95, 3022881), (181, 1586595), (285, 1007627), (293, 980115), (361, 795495), (543, 528865), (879, 326705), (905, 317319), (1083, 265165), (1465, 196023), (1805, 159099), (2715, 105773), (3439, 83505), (4395, 65341), (5415, 53033), (5567, 51585), (10317, 27835), (16701, 17195)]