31897593

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 31001607

約数列:

[1, 3, 7, 9, 13, 17, 21, 29, 39, 51, 63, 79, 87, 91, 117, 119, 153, 203, 221, 237, 261, 273, 357, 377, 493, 553, 609, 663, 711, 819, 1027, 1071, 1131, 1343, 1479, 1547, 1659, 1827, 1989, 2291, 2639, 3081, 3393, 3451, 4029, 4437, 4641, 4977, 6409, 6873, 7189, 7917, 9243, 9401, 10353, 12087, 13923, 16037, 17459, 19227, 20619, 21567, 23751, 28203, 29783, 31059, 38947, 44863, 48111, 52377, 57681, 64701, 84609, 89349, 116841, 122213, 134589, 144333, 157131, 208481, 268047, 272629, 350523, 366639, 403767, 506311, 625443, 817887, 1099917, 1518933, 1876329, 2453661, 3544177, 4556799, 10632531, 31897593]

約数ペア:

[(1, 31897593), (3, 10632531), (7, 4556799), (9, 3544177), (13, 2453661), (17, 1876329), (21, 1518933), (29, 1099917), (39, 817887), (51, 625443), (63, 506311), (79, 403767), (87, 366639), (91, 350523), (117, 272629), (119, 268047), (153, 208481), (203, 157131), (221, 144333), (237, 134589), (261, 122213), (273, 116841), (357, 89349), (377, 84609), (493, 64701), (553, 57681), (609, 52377), (663, 48111), (711, 44863), (819, 38947), (1027, 31059), (1071, 29783), (1131, 28203), (1343, 23751), (1479, 21567), (1547, 20619), (1659, 19227), (1827, 17459), (1989, 16037), (2291, 13923), (2639, 12087), (3081, 10353), (3393, 9401), (3451, 9243), (4029, 7917), (4437, 7189), (4641, 6873), (4977, 6409)]