23680215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 22445865

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 103, 117, 131, 135, 195, 309, 351, 393, 515, 585, 655, 927, 1179, 1339, 1545, 1703, 1755, 1965, 2781, 3537, 4017, 4635, 5109, 5895, 6695, 8515, 12051, 13493, 13905, 15327, 17685, 20085, 25545, 36153, 40479, 45981, 60255, 67465, 76635, 121437, 175409, 180765, 202395, 229905, 364311, 526227, 607185, 877045, 1578681, 1821555, 2631135, 4736043, 7893405, 23680215]

約数ペア:

[(1, 23680215), (3, 7893405), (5, 4736043), (9, 2631135), (13, 1821555), (15, 1578681), (27, 877045), (39, 607185), (45, 526227), (65, 364311), (103, 229905), (117, 202395), (131, 180765), (135, 175409), (195, 121437), (309, 76635), (351, 67465), (393, 60255), (515, 45981), (585, 40479), (655, 36153), (927, 25545), (1179, 20085), (1339, 17685), (1545, 15327), (1703, 13905), (1755, 13493), (1965, 12051), (2781, 8515), (3537, 6695), (4017, 5895), (4635, 5109)]