381801681

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{12637}}^1$

素因数の和:13022

約数の個数: 20

約数和(自身を含む): 571920052

約数和(自身を除く): 190118371

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 10071, 12637, 30213, 37911, 113733, 341199, 1023597, 4713601, 14140803, 42422409, 127267227, 381801681]

約数ペア:

[(1, 381801681), (3, 127267227), (9, 42422409), (27, 14140803), (81, 4713601), (373, 1023597), (1119, 341199), (3357, 113733), (10071, 37911), (12637, 30213)]