38687721

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 55738368

約数和(自身を除く): 17050647

約数列:

[1, 3, 31, 47, 53, 93, 141, 159, 167, 501, 1457, 1643, 2491, 4371, 4929, 5177, 7473, 7849, 8851, 15531, 23547, 26553, 77221, 231663, 243319, 274381, 415997, 729957, 823143, 1247991, 12895907, 38687721]

約数ペア:

[(1, 38687721), (3, 12895907), (31, 1247991), (47, 823143), (53, 729957), (93, 415997), (141, 274381), (159, 243319), (167, 231663), (501, 77221), (1457, 26553), (1643, 23547), (2491, 15531), (4371, 8851), (4929, 7849), (5177, 7473)]