28406625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5827}}^1$

素因数の和:5858

約数の個数: 32

約数和(自身を含む): 50913408

約数和(自身を除く): 22506783

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 5827, 17481, 29135, 75751, 87405, 145675, 227253, 378755, 437025, 728375, 1136265, 1893775, 2185125, 5681325, 9468875, 28406625]

約数ペア:

[(1, 28406625), (3, 9468875), (5, 5681325), (13, 2185125), (15, 1893775), (25, 1136265), (39, 728375), (65, 437025), (75, 378755), (125, 227253), (195, 145675), (325, 87405), (375, 75751), (975, 29135), (1625, 17481), (4875, 5827)]