156989259

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 282129408

約数和(自身を除く): 125140149

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 81, 129, 137, 141, 189, 301, 329, 387, 411, 423, 567, 903, 959, 987, 1161, 1233, 1269, 2021, 2709, 2877, 2961, 3483, 3699, 3807, 5891, 6063, 6439, 8127, 8631, 8883, 11097, 14147, 17673, 18189, 19317, 24381, 25893, 26649, 41237, 42441, 45073, 53019, 54567, 57951, 77679, 123711, 127323, 135219, 159057, 163701, 173853, 276877, 371133, 381969, 405657, 477171, 521559, 830631, 1113399, 1145907, 1216971, 1938139, 2491893, 3340197, 3650913, 5814417, 7475679, 17443251, 22427037, 52329753, 156989259]

約数ペア:

[(1, 156989259), (3, 52329753), (7, 22427037), (9, 17443251), (21, 7475679), (27, 5814417), (43, 3650913), (47, 3340197), (63, 2491893), (81, 1938139), (129, 1216971), (137, 1145907), (141, 1113399), (189, 830631), (301, 521559), (329, 477171), (387, 405657), (411, 381969), (423, 371133), (567, 276877), (903, 173853), (959, 163701), (987, 159057), (1161, 135219), (1233, 127323), (1269, 123711), (2021, 77679), (2709, 57951), (2877, 54567), (2961, 53019), (3483, 45073), (3699, 42441), (3807, 41237), (5891, 26649), (6063, 25893), (6439, 24381), (8127, 19317), (8631, 18189), (8883, 17673), (11097, 14147)]