1220688003

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{128237}}^1$

素因数の和:128426

約数の個数: 16

約数和(自身を含む): 1723518720

約数和(自身を除く): 502830717

約数列:

[1, 3, 19, 57, 167, 501, 3173, 9519, 128237, 384711, 2436503, 7309509, 21415579, 64246737, 406896001, 1220688003]

約数ペア:

[(1, 1220688003), (3, 406896001), (19, 64246737), (57, 21415579), (167, 7309509), (501, 2436503), (3173, 384711), (9519, 128237)]