977898831

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1861

約数の個数: 64

約数和(自身を含む): 1678387200

約数和(自身を除く): 700488369

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 343, 533, 637, 861, 1029, 1599, 1783, 1911, 2009, 3731, 4459, 5349, 6027, 11193, 12481, 13377, 14063, 23179, 26117, 37443, 42189, 69537, 73103, 78351, 87367, 162253, 182819, 219309, 262101, 486759, 511721, 548457, 611569, 950339, 1135771, 1535163, 1834707, 2851017, 3407313, 3582047, 6652373, 7950397, 10746141, 19957119, 23851191, 25074329, 46566611, 75222987, 139699833, 325966277, 977898831]

約数ペア:

[(1, 977898831), (3, 325966277), (7, 139699833), (13, 75222987), (21, 46566611), (39, 25074329), (41, 23851191), (49, 19957119), (91, 10746141), (123, 7950397), (147, 6652373), (273, 3582047), (287, 3407313), (343, 2851017), (533, 1834707), (637, 1535163), (861, 1135771), (1029, 950339), (1599, 611569), (1783, 548457), (1911, 511721), (2009, 486759), (3731, 262101), (4459, 219309), (5349, 182819), (6027, 162253), (11193, 87367), (12481, 78351), (13377, 73103), (14063, 69537), (23179, 42189), (26117, 37443)]