18120453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 9764859

約数列:

[1, 3, 13, 17, 39, 51, 151, 181, 221, 453, 543, 663, 1963, 2353, 2567, 3077, 5889, 7059, 7701, 9231, 27331, 33371, 40001, 81993, 100113, 120003, 355303, 464627, 1065909, 1393881, 6040151, 18120453]

約数ペア:

[(1, 18120453), (3, 6040151), (13, 1393881), (17, 1065909), (39, 464627), (51, 355303), (151, 120003), (181, 100113), (221, 81993), (453, 40001), (543, 33371), (663, 27331), (1963, 9231), (2353, 7701), (2567, 7059), (3077, 5889)]