216020895

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{28631}}^1$

素因数の和:29142

約数の個数: 16

約数和(自身を含む): 346332672

約数和(自身を除く): 130311777

約数列:

[1, 3, 5, 15, 503, 1509, 2515, 7545, 28631, 85893, 143155, 429465, 14401393, 43204179, 72006965, 216020895]

約数ペア:

[(1, 216020895), (3, 72006965), (5, 43204179), (15, 14401393), (503, 429465), (1509, 143155), (2515, 85893), (7545, 28631)]