211756275

素因数分解:

$3^8\times 5^2\times {\mathrm{1291}}^1$

素因数の和:1325

約数の個数: 54

約数和(自身を含む): 394151732

約数和(自身を除く): 182395457

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1291, 2025, 2187, 3645, 3873, 6075, 6455, 6561, 10935, 11619, 18225, 19365, 32275, 32805, 34857, 54675, 58095, 96825, 104571, 164025, 174285, 290475, 313713, 522855, 871425, 941139, 1568565, 2614275, 2823417, 4705695, 7842825, 8470251, 14117085, 23528475, 42351255, 70585425, 211756275]

約数ペア:

[(1, 211756275), (3, 70585425), (5, 42351255), (9, 23528475), (15, 14117085), (25, 8470251), (27, 7842825), (45, 4705695), (75, 2823417), (81, 2614275), (135, 1568565), (225, 941139), (243, 871425), (405, 522855), (675, 313713), (729, 290475), (1215, 174285), (1291, 164025), (2025, 104571), (2187, 96825), (3645, 58095), (3873, 54675), (6075, 34857), (6455, 32805), (6561, 32275), (10935, 19365), (11619, 18225)]