3995901

素因数分解:

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

素因数の和:91

約数の個数: 72

約数和(自身を含む): 7842744

約数和(自身を除く): 3846843

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 41, 49, 51, 63, 91, 117, 119, 123, 147, 153, 221, 273, 287, 357, 369, 441, 533, 637, 663, 697, 819, 833, 861, 1071, 1547, 1599, 1911, 1989, 2009, 2091, 2499, 2583, 3731, 4641, 4797, 4879, 5733, 6027, 6273, 7497, 9061, 10829, 11193, 13923, 14637, 18081, 26117, 27183, 32487, 33579, 34153, 43911, 63427, 78351, 81549, 97461, 102459, 190281, 235053, 307377, 443989, 570843, 1331967, 3995901]

約数ペア:

[(1, 3995901), (3, 1331967), (7, 570843), (9, 443989), (13, 307377), (17, 235053), (21, 190281), (39, 102459), (41, 97461), (49, 81549), (51, 78351), (63, 63427), (91, 43911), (117, 34153), (119, 33579), (123, 32487), (147, 27183), (153, 26117), (221, 18081), (273, 14637), (287, 13923), (357, 11193), (369, 10829), (441, 9061), (533, 7497), (637, 6273), (663, 6027), (697, 5733), (819, 4879), (833, 4797), (861, 4641), (1071, 3731), (1547, 2583), (1599, 2499), (1911, 2091), (1989, 2009)]