23145291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 39997440

約数和(自身を除く): 16852149

約数列:

[1, 3, 9, 13, 23, 27, 39, 47, 61, 69, 117, 141, 183, 207, 299, 351, 423, 549, 611, 621, 793, 897, 1081, 1269, 1403, 1647, 1833, 2379, 2691, 2867, 3243, 4209, 5499, 7137, 8073, 8601, 9729, 12627, 14053, 16497, 18239, 21411, 25803, 29187, 37271, 37881, 42159, 54717, 65941, 77409, 111813, 126477, 164151, 197823, 335439, 379431, 492453, 593469, 857233, 1006317, 1780407, 2571699, 7715097, 23145291]

約数ペア:

[(1, 23145291), (3, 7715097), (9, 2571699), (13, 1780407), (23, 1006317), (27, 857233), (39, 593469), (47, 492453), (61, 379431), (69, 335439), (117, 197823), (141, 164151), (183, 126477), (207, 111813), (299, 77409), (351, 65941), (423, 54717), (549, 42159), (611, 37881), (621, 37271), (793, 29187), (897, 25803), (1081, 21411), (1269, 18239), (1403, 16497), (1647, 14053), (1833, 12627), (2379, 9729), (2691, 8601), (2867, 8073), (3243, 7137), (4209, 5499)]