19683025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 26750520

約数和(自身を除く): 7067495

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1597, 2465, 7985, 12325, 27149, 39925, 46313, 135745, 231565, 678725, 787321, 1157825, 3936605, 19683025]

約数ペア:

[(1, 19683025), (5, 3936605), (17, 1157825), (25, 787321), (29, 678725), (85, 231565), (145, 135745), (425, 46313), (493, 39925), (725, 27149), (1597, 12325), (2465, 7985)]