64423821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278891}}^1$

素因数の和:278912

約数の個数: 16

約数和(自身を含む): 107094528

約数和(自身を除く): 42670707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 278891, 836673, 1952237, 3067801, 5856711, 9203403, 21474607, 64423821]

約数ペア:

[(1, 64423821), (3, 21474607), (7, 9203403), (11, 5856711), (21, 3067801), (33, 1952237), (77, 836673), (231, 278891)]