28133937

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 44963100

約数和(自身を除く): 16829163

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 169, 349, 477, 507, 689, 1047, 1521, 2067, 3141, 4537, 6201, 8957, 13611, 18497, 26871, 40833, 55491, 58981, 80613, 166473, 176943, 240461, 530829, 721383, 2164149, 3125993, 9377979, 28133937]

約数ペア:

[(1, 28133937), (3, 9377979), (9, 3125993), (13, 2164149), (39, 721383), (53, 530829), (117, 240461), (159, 176943), (169, 166473), (349, 80613), (477, 58981), (507, 55491), (689, 40833), (1047, 26871), (1521, 18497), (2067, 13611), (3141, 8957), (4537, 6201)]