68740191

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 115763200

約数和(自身を除く): 47023009

約数列:

[1, 3, 9, 13, 27, 37, 39, 67, 79, 111, 117, 201, 237, 333, 351, 481, 603, 711, 871, 999, 1027, 1443, 1809, 2133, 2479, 2613, 2923, 3081, 4329, 5293, 7437, 7839, 8769, 9243, 12987, 15879, 22311, 23517, 26307, 27729, 32227, 37999, 47637, 66933, 68809, 78921, 96681, 113997, 142911, 195841, 206427, 290043, 341991, 587523, 619281, 870129, 1025973, 1762569, 1857843, 2545933, 5287707, 7637799, 22913397, 68740191]

約数ペア:

[(1, 68740191), (3, 22913397), (9, 7637799), (13, 5287707), (27, 2545933), (37, 1857843), (39, 1762569), (67, 1025973), (79, 870129), (111, 619281), (117, 587523), (201, 341991), (237, 290043), (333, 206427), (351, 195841), (481, 142911), (603, 113997), (711, 96681), (871, 78921), (999, 68809), (1027, 66933), (1443, 47637), (1809, 37999), (2133, 32227), (2479, 27729), (2613, 26307), (2923, 23517), (3081, 22311), (4329, 15879), (5293, 12987), (7437, 9243), (7839, 8769)]