804987477

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 1422402432

約数和(自身を除く): 617414955

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 137, 189, 241, 301, 387, 411, 567, 723, 903, 959, 1161, 1233, 1687, 2169, 2709, 2877, 3483, 3699, 5061, 5891, 6507, 8127, 8631, 10363, 11097, 15183, 17673, 19521, 24381, 25893, 31089, 33017, 41237, 45549, 53019, 72541, 77679, 93267, 99051, 123711, 136647, 159057, 217623, 231119, 279801, 297153, 371133, 477171, 652869, 693357, 839403, 891459, 1113399, 1419731, 1958607, 2080071, 2674377, 3340197, 4259193, 5875821, 6240213, 9938117, 12777579, 18720639, 29814351, 38332737, 89443053, 114998211, 268329159, 804987477]

約数ペア:

[(1, 804987477), (3, 268329159), (7, 114998211), (9, 89443053), (21, 38332737), (27, 29814351), (43, 18720639), (63, 12777579), (81, 9938117), (129, 6240213), (137, 5875821), (189, 4259193), (241, 3340197), (301, 2674377), (387, 2080071), (411, 1958607), (567, 1419731), (723, 1113399), (903, 891459), (959, 839403), (1161, 693357), (1233, 652869), (1687, 477171), (2169, 371133), (2709, 297153), (2877, 279801), (3483, 231119), (3699, 217623), (5061, 159057), (5891, 136647), (6507, 123711), (8127, 99051), (8631, 93267), (10363, 77679), (11097, 72541), (15183, 53019), (17673, 45549), (19521, 41237), (24381, 33017), (25893, 31089)]