621473281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 752209920

約数和(自身を除く): 130736639

約数列:

[1, 11, 13, 43, 143, 211, 473, 479, 559, 2321, 2743, 5269, 6149, 6227, 9073, 20597, 30173, 68497, 99803, 101069, 117949, 226567, 267761, 1111759, 1297439, 1313897, 2945371, 4345967, 14452867, 47805637, 56497571, 621473281]

約数ペア:

[(1, 621473281), (11, 56497571), (13, 47805637), (43, 14452867), (143, 4345967), (211, 2945371), (473, 1313897), (479, 1297439), (559, 1111759), (2321, 267761), (2743, 226567), (5269, 117949), (6149, 101069), (6227, 99803), (9073, 68497), (20597, 30173)]