7398225

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 13405392

約数和(自身を除く): 6007167

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 251, 393, 655, 753, 1179, 1255, 1965, 2259, 3275, 3765, 5895, 6275, 9825, 11295, 18825, 29475, 32881, 56475, 98643, 164405, 295929, 493215, 822025, 1479645, 2466075, 7398225]

約数ペア:

[(1, 7398225), (3, 2466075), (5, 1479645), (9, 822025), (15, 493215), (25, 295929), (45, 164405), (75, 98643), (131, 56475), (225, 32881), (251, 29475), (393, 18825), (655, 11295), (753, 9825), (1179, 6275), (1255, 5895), (1965, 3765), (2259, 3275)]