1881561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2976768

約数和(自身を除く): 1095207

約数列:

[1, 3, 11, 23, 33, 37, 67, 69, 111, 201, 253, 407, 737, 759, 851, 1221, 1541, 2211, 2479, 2553, 4623, 7437, 9361, 16951, 27269, 28083, 50853, 57017, 81807, 171051, 627187, 1881561]

約数ペア:

[(1, 1881561), (3, 627187), (11, 171051), (23, 81807), (33, 57017), (37, 50853), (67, 28083), (69, 27269), (111, 16951), (201, 9361), (253, 7437), (407, 4623), (737, 2553), (759, 2479), (851, 2211), (1221, 1541)]