201407985

素因数分解:

$3^3\times 5^1\times {\mathrm{1491911}}^1$

素因数の和:1491925

約数の個数: 16

約数和(自身を含む): 358058880

約数和(自身を除く): 156650895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1491911, 4475733, 7459555, 13427199, 22378665, 40281597, 67135995, 201407985]

約数ペア:

[(1, 201407985), (3, 67135995), (5, 40281597), (9, 22378665), (15, 13427199), (27, 7459555), (45, 4475733), (135, 1491911)]