16906275

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2636

約数の個数: 36

約数和(自身を含む): 31337280

約数和(自身を除く): 14431005

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 2591, 6525, 7773, 12955, 23319, 38865, 64775, 75139, 116595, 194325, 225417, 375695, 582975, 676251, 1127085, 1878475, 3381255, 5635425, 16906275]

約数ペア:

[(1, 16906275), (3, 5635425), (5, 3381255), (9, 1878475), (15, 1127085), (25, 676251), (29, 582975), (45, 375695), (75, 225417), (87, 194325), (145, 116595), (225, 75139), (261, 64775), (435, 38865), (725, 23319), (1305, 12955), (2175, 7773), (2591, 6525)]