200901015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{637781}}^1$

素因数の和:637799

約数の個数: 24

約数和(自身を含む): 397975968

約数和(自身を除く): 197074953

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 637781, 1913343, 3188905, 4464467, 5740029, 9566715, 13393401, 22322335, 28700145, 40180203, 66967005, 200901015]

約数ペア:

[(1, 200901015), (3, 66967005), (5, 40180203), (7, 28700145), (9, 22322335), (15, 13393401), (21, 9566715), (35, 5740029), (45, 4464467), (63, 3188905), (105, 1913343), (315, 637781)]