7951905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 15966720

約数和(自身を除く): 8014815

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 197, 207, 299, 345, 351, 585, 591, 621, 897, 985, 1035, 1495, 1755, 1773, 2561, 2691, 2955, 3105, 4485, 4531, 5319, 7683, 8073, 8865, 12805, 13455, 13593, 22655, 23049, 26595, 38415, 40365, 40779, 58903, 67965, 69147, 115245, 122337, 176709, 203895, 294515, 345735, 530127, 611685, 883545, 1590381, 2650635, 7951905]

約数ペア:

[(1, 7951905), (3, 2650635), (5, 1590381), (9, 883545), (13, 611685), (15, 530127), (23, 345735), (27, 294515), (39, 203895), (45, 176709), (65, 122337), (69, 115245), (115, 69147), (117, 67965), (135, 58903), (195, 40779), (197, 40365), (207, 38415), (299, 26595), (345, 23049), (351, 22655), (585, 13593), (591, 13455), (621, 12805), (897, 8865), (985, 8073), (1035, 7683), (1495, 5319), (1755, 4531), (1773, 4485), (2561, 3105), (2691, 2955)]