61809489

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51637}}^1$

素因数の和:51669

約数の個数: 24

約数和(自身を含む): 107407040

約数和(自身を除く): 45597551

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 51637, 154911, 361459, 464733, 981103, 1084377, 2943309, 3253131, 6867721, 8829927, 20603163, 61809489]

約数ペア:

[(1, 61809489), (3, 20603163), (7, 8829927), (9, 6867721), (19, 3253131), (21, 2943309), (57, 1084377), (63, 981103), (133, 464733), (171, 361459), (399, 154911), (1197, 51637)]