4020003

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{881}}^1$

素因数の和:916

約数の個数: 24

約数和(自身を含む): 6456240

約数和(自身を除く): 2436237

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 881, 1521, 2643, 4563, 7929, 11453, 23787, 34359, 103077, 148889, 309231, 446667, 1340001, 4020003]

約数ペア:

[(1, 4020003), (3, 1340001), (9, 446667), (13, 309231), (27, 148889), (39, 103077), (117, 34359), (169, 23787), (351, 11453), (507, 7929), (881, 4563), (1521, 2643)]