208872045

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{20269}}^1$

素因数の和:20509

約数の個数: 24

約数和(自身を含む): 363643800

約数和(自身を除く): 154771755

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 3435, 10305, 20269, 60807, 101345, 182421, 304035, 912105, 4641601, 13924803, 23208005, 41774409, 69624015, 208872045]

約数ペア:

[(1, 208872045), (3, 69624015), (5, 41774409), (9, 23208005), (15, 13924803), (45, 4641601), (229, 912105), (687, 304035), (1145, 182421), (2061, 101345), (3435, 60807), (10305, 20269)]