28404465

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3001}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 45534336

約数和(自身を除く): 17129871

約数列:

[1, 3, 5, 15, 631, 1893, 3001, 3155, 9003, 9465, 15005, 45015, 1893631, 5680893, 9468155, 28404465]

約数ペア:

[(1, 28404465), (3, 9468155), (5, 5680893), (15, 1893631), (631, 45015), (1893, 15005), (3001, 9465), (3155, 9003)]