18745425

素因数分解:

$3^4\times 5^2\times {\mathrm{9257}}^1$

素因数の和:9279

約数の個数: 30

約数和(自身を含む): 34726758

約数和(自身を除く): 15981333

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9257, 27771, 46285, 83313, 138855, 231425, 249939, 416565, 694275, 749817, 1249695, 2082825, 3749085, 6248475, 18745425]

約数ペア:

[(1, 18745425), (3, 6248475), (5, 3749085), (9, 2082825), (15, 1249695), (25, 749817), (27, 694275), (45, 416565), (75, 249939), (81, 231425), (135, 138855), (225, 83313), (405, 46285), (675, 27771), (2025, 9257)]