2491500669

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{19421}}^1$

素因数の和:19621

約数の個数: 32

約数和(自身を含む): 3915475200

約数和(自身を除く): 1423974531

約数列:

[1, 3, 7, 21, 41, 123, 149, 287, 447, 861, 1043, 3129, 6109, 18327, 19421, 42763, 58263, 128289, 135947, 407841, 796261, 2388783, 2893729, 5573827, 8681187, 16721481, 20256103, 60768309, 118642889, 355928667, 830500223, 2491500669]

約数ペア:

[(1, 2491500669), (3, 830500223), (7, 355928667), (21, 118642889), (41, 60768309), (123, 20256103), (149, 16721481), (287, 8681187), (447, 5573827), (861, 2893729), (1043, 2388783), (3129, 796261), (6109, 407841), (18327, 135947), (19421, 128289), (42763, 58263)]