172840905

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 316673280

約数和(自身を除く): 143832375

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 97, 135, 197, 201, 291, 335, 485, 591, 603, 873, 985, 1005, 1455, 1773, 1809, 2619, 2955, 3015, 4365, 5319, 6499, 8865, 9045, 13095, 13199, 19109, 19497, 26595, 32495, 39597, 57327, 58491, 65995, 95545, 97485, 118791, 171981, 175473, 197985, 286635, 292455, 356373, 515943, 593955, 859905, 877365, 1280303, 1781865, 2579715, 3840909, 6401515, 11522727, 19204545, 34568181, 57613635, 172840905]

約数ペア:

[(1, 172840905), (3, 57613635), (5, 34568181), (9, 19204545), (15, 11522727), (27, 6401515), (45, 3840909), (67, 2579715), (97, 1781865), (135, 1280303), (197, 877365), (201, 859905), (291, 593955), (335, 515943), (485, 356373), (591, 292455), (603, 286635), (873, 197985), (985, 175473), (1005, 171981), (1455, 118791), (1773, 97485), (1809, 95545), (2619, 65995), (2955, 58491), (3015, 57327), (4365, 39597), (5319, 32495), (6499, 26595), (8865, 19497), (9045, 19109), (13095, 13199)]