213578127

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 390297600

約数和(自身を除く): 176719473

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 63, 81, 87, 93, 189, 203, 217, 261, 279, 419, 567, 609, 651, 783, 837, 899, 1257, 1827, 1953, 2349, 2511, 2697, 2933, 3771, 5481, 5859, 6293, 8091, 8799, 11313, 12151, 12989, 16443, 17577, 18879, 24273, 26397, 33939, 36453, 38967, 56637, 72819, 79191, 85057, 90923, 109359, 116901, 169911, 237573, 255171, 272769, 328077, 350703, 376681, 509733, 765513, 818307, 984231, 1052109, 1130043, 2296539, 2454921, 2636767, 3390129, 6889617, 7364763, 7910301, 10170387, 23730903, 30511161, 71192709, 213578127]

約数ペア:

[(1, 213578127), (3, 71192709), (7, 30511161), (9, 23730903), (21, 10170387), (27, 7910301), (29, 7364763), (31, 6889617), (63, 3390129), (81, 2636767), (87, 2454921), (93, 2296539), (189, 1130043), (203, 1052109), (217, 984231), (261, 818307), (279, 765513), (419, 509733), (567, 376681), (609, 350703), (651, 328077), (783, 272769), (837, 255171), (899, 237573), (1257, 169911), (1827, 116901), (1953, 109359), (2349, 90923), (2511, 85057), (2697, 79191), (2933, 72819), (3771, 56637), (5481, 38967), (5859, 36453), (6293, 33939), (8091, 26397), (8799, 24273), (11313, 18879), (12151, 17577), (12989, 16443)]