11980395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 24103872

約数和(自身を除く): 12123477

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 521, 657, 1095, 1533, 1563, 2555, 2605, 3285, 3647, 4599, 4689, 7665, 7815, 10941, 18235, 22995, 23445, 32823, 38033, 54705, 114099, 164115, 190165, 266231, 342297, 570495, 798693, 1331155, 1711485, 2396079, 3993465, 11980395]

約数ペア:

[(1, 11980395), (3, 3993465), (5, 2396079), (7, 1711485), (9, 1331155), (15, 798693), (21, 570495), (35, 342297), (45, 266231), (63, 190165), (73, 164115), (105, 114099), (219, 54705), (315, 38033), (365, 32823), (511, 23445), (521, 22995), (657, 18235), (1095, 10941), (1533, 7815), (1563, 7665), (2555, 4689), (2605, 4599), (3285, 3647)]