81376695

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 144685632

約数和(自身を除く): 63308937

約数列:

[1, 3, 5, 9, 15, 45, 97, 103, 181, 291, 309, 485, 515, 543, 873, 905, 927, 1455, 1545, 1629, 2715, 4365, 4635, 8145, 9991, 17557, 18643, 29973, 49955, 52671, 55929, 87785, 89919, 93215, 149865, 158013, 167787, 263355, 279645, 449595, 790065, 838935, 1808371, 5425113, 9041855, 16275339, 27125565, 81376695]

約数ペア:

[(1, 81376695), (3, 27125565), (5, 16275339), (9, 9041855), (15, 5425113), (45, 1808371), (97, 838935), (103, 790065), (181, 449595), (291, 279645), (309, 263355), (485, 167787), (515, 158013), (543, 149865), (873, 93215), (905, 89919), (927, 87785), (1455, 55929), (1545, 52671), (1629, 49955), (2715, 29973), (4365, 18643), (4635, 17557), (8145, 9991)]