81743871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7669}}^1$

素因数の和:7719

約数の個数: 32

約数和(自身を含む): 132537600

約数和(自身を除く): 50793729

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 7669, 10659, 23007, 84359, 130373, 145711, 253077, 391119, 437133, 1434103, 1602821, 2477087, 4302309, 4808463, 7431261, 27247957, 81743871]

約数ペア:

[(1, 81743871), (3, 27247957), (11, 7431261), (17, 4808463), (19, 4302309), (33, 2477087), (51, 1602821), (57, 1434103), (187, 437133), (209, 391119), (323, 253077), (561, 145711), (627, 130373), (969, 84359), (3553, 23007), (7669, 10659)]