2494947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 4450560

約数和(自身を除く): 1955613

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 57, 91, 111, 133, 169, 247, 259, 273, 399, 481, 507, 703, 741, 777, 1183, 1443, 1729, 2109, 3211, 3367, 3549, 4921, 5187, 6253, 9139, 9633, 10101, 14763, 18759, 22477, 27417, 43771, 63973, 67431, 118807, 131313, 191919, 356421, 831649, 2494947]

約数ペア:

[(1, 2494947), (3, 831649), (7, 356421), (13, 191919), (19, 131313), (21, 118807), (37, 67431), (39, 63973), (57, 43771), (91, 27417), (111, 22477), (133, 18759), (169, 14763), (247, 10101), (259, 9633), (273, 9139), (399, 6253), (481, 5187), (507, 4921), (703, 3549), (741, 3367), (777, 3211), (1183, 2109), (1443, 1729)]