128433921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{907}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 214084608

約数和(自身を除く): 85650687

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 613, 907, 1839, 2721, 4291, 6349, 6743, 9977, 12873, 19047, 20229, 29931, 47201, 69839, 141603, 209517, 555991, 1667973, 3891937, 6115901, 11675811, 18347703, 42811307, 128433921]

約数ペア:

[(1, 128433921), (3, 42811307), (7, 18347703), (11, 11675811), (21, 6115901), (33, 3891937), (77, 1667973), (231, 555991), (613, 209517), (907, 141603), (1839, 69839), (2721, 47201), (4291, 29931), (6349, 20229), (6743, 19047), (9977, 12873)]