291254145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6883}}^1$

素因数の和:6942

約数の個数: 64

約数和(自身を含む): 592134144

約数和(自身を除く): 300879999

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 217, 273, 403, 455, 465, 651, 1085, 1209, 1365, 2015, 2821, 3255, 6045, 6883, 8463, 14105, 20649, 34415, 42315, 48181, 89479, 103245, 144543, 213373, 240905, 268437, 447395, 626353, 640119, 722715, 1066865, 1342185, 1493611, 1879059, 2773849, 3131765, 3200595, 4480833, 7468055, 8321547, 9395295, 13869245, 19416943, 22404165, 41607735, 58250829, 97084715, 291254145]

約数ペア:

[(1, 291254145), (3, 97084715), (5, 58250829), (7, 41607735), (13, 22404165), (15, 19416943), (21, 13869245), (31, 9395295), (35, 8321547), (39, 7468055), (65, 4480833), (91, 3200595), (93, 3131765), (105, 2773849), (155, 1879059), (195, 1493611), (217, 1342185), (273, 1066865), (403, 722715), (455, 640119), (465, 626353), (651, 447395), (1085, 268437), (1209, 240905), (1365, 213373), (2015, 144543), (2821, 103245), (3255, 89479), (6045, 48181), (6883, 42315), (8463, 34415), (14105, 20649)]