2857181187

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 4658135040

約数和(自身を除く): 1800953853

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 239, 371, 467, 483, 717, 1113, 1219, 1401, 1673, 3269, 3657, 5019, 5497, 8533, 9807, 10741, 12667, 16491, 24751, 25599, 32223, 38001, 38479, 74253, 75187, 88669, 111613, 115437, 173257, 225561, 266007, 291341, 334839, 519771, 569273, 781291, 874023, 1707819, 2039387, 2343873, 2567099, 3984911, 5915489, 6118161, 7701297, 11954733, 17746467, 17969693, 41408423, 53909079, 124225269, 136056247, 408168741, 952393729, 2857181187]

約数ペア:

[(1, 2857181187), (3, 952393729), (7, 408168741), (21, 136056247), (23, 124225269), (53, 53909079), (69, 41408423), (159, 17969693), (161, 17746467), (239, 11954733), (371, 7701297), (467, 6118161), (483, 5915489), (717, 3984911), (1113, 2567099), (1219, 2343873), (1401, 2039387), (1673, 1707819), (3269, 874023), (3657, 781291), (5019, 569273), (5497, 519771), (8533, 334839), (9807, 291341), (10741, 266007), (12667, 225561), (16491, 173257), (24751, 115437), (25599, 111613), (32223, 88669), (38001, 75187), (38479, 74253)]