207178527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 297472000

約数和(自身を除く): 90293473

約数列:

[1, 3, 19, 57, 79, 139, 237, 331, 417, 993, 1501, 2641, 4503, 6289, 7923, 10981, 18867, 26149, 32943, 46009, 78447, 138027, 208639, 496831, 625917, 874171, 1490493, 2622513, 3634711, 10904133, 69059509, 207178527]

約数ペア:

[(1, 207178527), (3, 69059509), (19, 10904133), (57, 3634711), (79, 2622513), (139, 1490493), (237, 874171), (331, 625917), (417, 496831), (993, 208639), (1501, 138027), (2641, 78447), (4503, 46009), (6289, 32943), (7923, 26149), (10981, 18867)]