19901595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27077}}^1$

素因数の和:27099

約数の個数: 24

約数和(自身を含む): 37042704

約数和(自身を除く): 17141109

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27077, 81231, 135385, 189539, 406155, 568617, 947695, 1326773, 2843085, 3980319, 6633865, 19901595]

約数ペア:

[(1, 19901595), (3, 6633865), (5, 3980319), (7, 2843085), (15, 1326773), (21, 947695), (35, 568617), (49, 406155), (105, 189539), (147, 135385), (245, 81231), (735, 27077)]