210385215

素因数分解:

$3^3\times 5^1\times {\mathrm{1558409}}^1$

素因数の和:1558423

約数の個数: 16

約数和(自身を含む): 374018400

約数和(自身を除く): 163633185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1558409, 4675227, 7792045, 14025681, 23376135, 42077043, 70128405, 210385215]

約数ペア:

[(1, 210385215), (3, 70128405), (5, 42077043), (9, 23376135), (15, 14025681), (27, 7792045), (45, 4675227), (135, 1558409)]