279269487

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31891}}^1$

素因数の和:32043

約数の個数: 24

約数和(自身を含む): 464347520

約数和(自身を除く): 185078033

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 31891, 95673, 223237, 287019, 669711, 2009133, 4432849, 13298547, 31029943, 39895641, 93089829, 279269487]

約数ペア:

[(1, 279269487), (3, 93089829), (7, 39895641), (9, 31029943), (21, 13298547), (63, 4432849), (139, 2009133), (417, 669711), (973, 287019), (1251, 223237), (2919, 95673), (8757, 31891)]