25520859

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 25074981

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 47, 51, 63, 91, 117, 119, 141, 153, 169, 189, 221, 273, 329, 351, 357, 423, 459, 507, 611, 663, 799, 819, 987, 1071, 1183, 1269, 1521, 1547, 1833, 1989, 2397, 2457, 2873, 2961, 3213, 3549, 4277, 4563, 4641, 5499, 5593, 5967, 7191, 7943, 8619, 8883, 10387, 10647, 12831, 13923, 16497, 16779, 20111, 21573, 23829, 25857, 31161, 31941, 38493, 41769, 50337, 55601, 60333, 71487, 72709, 77571, 93483, 115479, 135031, 151011, 166803, 180999, 214461, 218127, 280449, 405093, 500409, 542997, 654381, 945217, 1215279, 1501227, 1963143, 2835651, 3645837, 8506953, 25520859]

約数ペア:

[(1, 25520859), (3, 8506953), (7, 3645837), (9, 2835651), (13, 1963143), (17, 1501227), (21, 1215279), (27, 945217), (39, 654381), (47, 542997), (51, 500409), (63, 405093), (91, 280449), (117, 218127), (119, 214461), (141, 180999), (153, 166803), (169, 151011), (189, 135031), (221, 115479), (273, 93483), (329, 77571), (351, 72709), (357, 71487), (423, 60333), (459, 55601), (507, 50337), (611, 41769), (663, 38493), (799, 31941), (819, 31161), (987, 25857), (1071, 23829), (1183, 21573), (1269, 20111), (1521, 16779), (1547, 16497), (1833, 13923), (1989, 12831), (2397, 10647), (2457, 10387), (2873, 8883), (2961, 8619), (3213, 7943), (3549, 7191), (4277, 5967), (4563, 5593), (4641, 5499)]