399720609

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{2467}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 629043840

約数和(自身を除く): 229323231

約数列:

[1, 3, 9, 17, 27, 51, 153, 353, 459, 1059, 2467, 3177, 6001, 7401, 9531, 18003, 22203, 41939, 54009, 66609, 125817, 162027, 377451, 870851, 1132353, 2612553, 7837659, 14804467, 23512977, 44413401, 133240203, 399720609]

約数ペア:

[(1, 399720609), (3, 133240203), (9, 44413401), (17, 23512977), (27, 14804467), (51, 7837659), (153, 2612553), (353, 1132353), (459, 870851), (1059, 377451), (2467, 162027), (3177, 125817), (6001, 66609), (7401, 54009), (9531, 41939), (18003, 22203)]