68437887

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 106954752

約数和(自身を除く): 38516865

約数列:

[1, 3, 7, 21, 67, 127, 201, 381, 383, 469, 889, 1149, 1407, 2667, 2681, 8043, 8509, 25527, 25661, 48641, 59563, 76983, 145923, 178689, 179627, 340487, 538881, 1021461, 3258947, 9776841, 22812629, 68437887]

約数ペア:

[(1, 68437887), (3, 22812629), (7, 9776841), (21, 3258947), (67, 1021461), (127, 538881), (201, 340487), (381, 179627), (383, 178689), (469, 145923), (889, 76983), (1149, 59563), (1407, 48641), (2667, 25661), (2681, 25527), (8043, 8509)]