12980163

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 21206016

約数和(自身を除く): 8225853

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 353, 357, 721, 1059, 1751, 2163, 2471, 5253, 6001, 7413, 12257, 18003, 36359, 36771, 42007, 109077, 126021, 254513, 618103, 763539, 1854309, 4326721, 12980163]

約数ペア:

[(1, 12980163), (3, 4326721), (7, 1854309), (17, 763539), (21, 618103), (51, 254513), (103, 126021), (119, 109077), (309, 42007), (353, 36771), (357, 36359), (721, 18003), (1059, 12257), (1751, 7413), (2163, 6001), (2471, 5253)]