13219101

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 23048064

約数和(自身を除く): 9828963

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 107, 111, 159, 259, 321, 333, 371, 477, 749, 777, 963, 1113, 1961, 2247, 2331, 3339, 3959, 5671, 5883, 6741, 11877, 13727, 17013, 17649, 27713, 35631, 39697, 41181, 51039, 83139, 119091, 123543, 209827, 249417, 357273, 629481, 1468789, 1888443, 4406367, 13219101]

約数ペア:

[(1, 13219101), (3, 4406367), (7, 1888443), (9, 1468789), (21, 629481), (37, 357273), (53, 249417), (63, 209827), (107, 123543), (111, 119091), (159, 83139), (259, 51039), (321, 41181), (333, 39697), (371, 35631), (477, 27713), (749, 17649), (777, 17013), (963, 13727), (1113, 11877), (1961, 6741), (2247, 5883), (2331, 5671), (3339, 3959)]