280112763

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{100291}}^1$

素因数の和:100327

約数の個数: 24

約数和(自身を含む): 457331520

約数和(自身を除く): 177218757

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 100291, 300873, 702037, 1905529, 2106111, 4914259, 5716587, 13338703, 14742777, 40016109, 93370921, 280112763]

約数ペア:

[(1, 280112763), (3, 93370921), (7, 40016109), (19, 14742777), (21, 13338703), (49, 5716587), (57, 4914259), (133, 2106111), (147, 1905529), (399, 702037), (931, 300873), (2793, 100291)]