39808377

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 69608448

約数和(自身を除く): 29800071

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 161, 207, 249, 331, 483, 581, 747, 993, 1449, 1743, 1909, 2317, 2979, 5229, 5727, 6951, 7613, 13363, 17181, 20853, 22839, 27473, 40089, 53291, 68517, 82419, 120267, 159873, 192311, 247257, 479619, 576933, 631879, 1730799, 1895637, 4423153, 5686911, 13269459, 39808377]

約数ペア:

[(1, 39808377), (3, 13269459), (7, 5686911), (9, 4423153), (21, 1895637), (23, 1730799), (63, 631879), (69, 576933), (83, 479619), (161, 247257), (207, 192311), (249, 159873), (331, 120267), (483, 82419), (581, 68517), (747, 53291), (993, 40089), (1449, 27473), (1743, 22839), (1909, 20853), (2317, 17181), (2979, 13363), (5229, 7613), (5727, 6951)]