2938845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 5789952

約数和(自身を除く): 2851107

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 2153, 6459, 10765, 15071, 27989, 32295, 45213, 75355, 83967, 139945, 195923, 226065, 419835, 587769, 979615, 2938845]

約数ペア:

[(1, 2938845), (3, 979615), (5, 587769), (7, 419835), (13, 226065), (15, 195923), (21, 139945), (35, 83967), (39, 75355), (65, 45213), (91, 32295), (105, 27989), (195, 15071), (273, 10765), (455, 6459), (1365, 2153)]