387621021

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 538852608

約数和(自身を除く): 151231587

約数列:

[1, 3, 71, 73, 97, 213, 219, 257, 291, 771, 5183, 6887, 7081, 15549, 18247, 18761, 20661, 21243, 24929, 54741, 56283, 74787, 502751, 1332031, 1508253, 1769959, 1819817, 3996093, 5309877, 5459451, 129207007, 387621021]

約数ペア:

[(1, 387621021), (3, 129207007), (71, 5459451), (73, 5309877), (97, 3996093), (213, 1819817), (219, 1769959), (257, 1508253), (291, 1332031), (771, 502751), (5183, 74787), (6887, 56283), (7081, 54741), (15549, 24929), (18247, 21243), (18761, 20661)]