2900821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 3662208

約数和(自身を除く): 761387

約数列:

[1, 7, 11, 77, 101, 373, 707, 1111, 2611, 4103, 7777, 28721, 37673, 263711, 414403, 2900821]

約数ペア:

[(1, 2900821), (7, 414403), (11, 263711), (77, 37673), (101, 28721), (373, 7777), (707, 4103), (1111, 2611)]