81911466

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 227942400

約数和(自身を除く): 146030934

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 79, 91, 117, 126, 158, 182, 189, 211, 234, 237, 273, 351, 378, 422, 474, 546, 553, 633, 702, 711, 819, 1027, 1106, 1266, 1422, 1477, 1638, 1659, 1899, 2054, 2133, 2457, 2743, 2954, 3081, 3318, 3798, 4266, 4431, 4914, 4977, 5486, 5697, 6162, 7189, 8229, 8862, 9243, 9954, 11394, 13293, 14378, 14931, 16458, 16669, 18486, 19201, 21567, 24687, 26586, 27729, 29862, 33338, 38402, 39879, 43134, 49374, 50007, 55458, 57603, 64701, 74061, 79758, 100014, 115206, 116683, 129402, 148122, 150021, 172809, 194103, 216697, 233366, 300042, 345618, 350049, 388206, 433394, 450063, 518427, 650091, 700098, 900126, 1036854, 1050147, 1300182, 1516879, 1950273, 2100294, 3033758, 3150441, 3900546, 4550637, 5850819, 6300882, 9101274, 11701638, 13651911, 27303822, 40955733, 81911466]

約数ペア:

[(1, 81911466), (2, 40955733), (3, 27303822), (6, 13651911), (7, 11701638), (9, 9101274), (13, 6300882), (14, 5850819), (18, 4550637), (21, 3900546), (26, 3150441), (27, 3033758), (39, 2100294), (42, 1950273), (54, 1516879), (63, 1300182), (78, 1050147), (79, 1036854), (91, 900126), (117, 700098), (126, 650091), (158, 518427), (182, 450063), (189, 433394), (211, 388206), (234, 350049), (237, 345618), (273, 300042), (351, 233366), (378, 216697), (422, 194103), (474, 172809), (546, 150021), (553, 148122), (633, 129402), (702, 116683), (711, 115206), (819, 100014), (1027, 79758), (1106, 74061), (1266, 64701), (1422, 57603), (1477, 55458), (1638, 50007), (1659, 49374), (1899, 43134), (2054, 39879), (2133, 38402), (2457, 33338), (2743, 29862), (2954, 27729), (3081, 26586), (3318, 24687), (3798, 21567), (4266, 19201), (4431, 18486), (4914, 16669), (4977, 16458), (5486, 14931), (5697, 14378), (6162, 13293), (7189, 11394), (8229, 9954), (8862, 9243)]