27971307

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 27065493

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 41, 49, 51, 63, 91, 117, 119, 123, 147, 153, 221, 273, 287, 343, 357, 369, 441, 533, 637, 663, 697, 819, 833, 861, 1029, 1071, 1547, 1599, 1911, 1989, 2009, 2091, 2499, 2583, 3087, 3731, 4459, 4641, 4797, 4879, 5733, 5831, 6027, 6273, 7497, 9061, 10829, 11193, 13377, 13923, 14063, 14637, 17493, 18081, 26117, 27183, 32487, 33579, 34153, 40131, 42189, 43911, 52479, 63427, 75803, 78351, 81549, 97461, 102459, 126567, 182819, 190281, 227409, 235053, 239071, 307377, 443989, 548457, 570843, 682227, 717213, 1331967, 1645371, 2151639, 3107923, 3995901, 9323769, 27971307]

約数ペア:

[(1, 27971307), (3, 9323769), (7, 3995901), (9, 3107923), (13, 2151639), (17, 1645371), (21, 1331967), (39, 717213), (41, 682227), (49, 570843), (51, 548457), (63, 443989), (91, 307377), (117, 239071), (119, 235053), (123, 227409), (147, 190281), (153, 182819), (221, 126567), (273, 102459), (287, 97461), (343, 81549), (357, 78351), (369, 75803), (441, 63427), (533, 52479), (637, 43911), (663, 42189), (697, 40131), (819, 34153), (833, 33579), (861, 32487), (1029, 27183), (1071, 26117), (1547, 18081), (1599, 17493), (1911, 14637), (1989, 14063), (2009, 13923), (2091, 13377), (2499, 11193), (2583, 10829), (3087, 9061), (3731, 7497), (4459, 6273), (4641, 6027), (4797, 5831), (4879, 5733)]