28591425

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 51861264

約数和(自身を除く): 23269839

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1245, 1531, 2075, 3735, 4593, 6225, 7655, 13779, 18675, 22965, 38275, 68895, 114825, 127073, 344475, 381219, 635365, 1143657, 1906095, 3176825, 5718285, 9530475, 28591425]

約数ペア:

[(1, 28591425), (3, 9530475), (5, 5718285), (9, 3176825), (15, 1906095), (25, 1143657), (45, 635365), (75, 381219), (83, 344475), (225, 127073), (249, 114825), (415, 68895), (747, 38275), (1245, 22965), (1531, 18675), (2075, 13779), (3735, 7655), (4593, 6225)]