173487321

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 303473664

約数和(自身を除く): 129986343

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 201, 207, 469, 483, 603, 1407, 1449, 1541, 1787, 4221, 4623, 5361, 10787, 12509, 13869, 16083, 32361, 37527, 41101, 97083, 112581, 119729, 123303, 287707, 359187, 369909, 838103, 863121, 1077561, 2514309, 2589363, 2753767, 7542927, 8261301, 19276369, 24783903, 57829107, 173487321]

約数ペア:

[(1, 173487321), (3, 57829107), (7, 24783903), (9, 19276369), (21, 8261301), (23, 7542927), (63, 2753767), (67, 2589363), (69, 2514309), (161, 1077561), (201, 863121), (207, 838103), (469, 369909), (483, 359187), (603, 287707), (1407, 123303), (1449, 119729), (1541, 112581), (1787, 97083), (4221, 41101), (4623, 37527), (5361, 32361), (10787, 16083), (12509, 13869)]