28857375

素因数分解:

$3^2\times 5^3\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 52711776

約数和(自身を除く): 23854401

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 125, 225, 227, 339, 375, 565, 681, 1017, 1125, 1135, 1695, 2043, 2825, 3405, 5085, 5675, 8475, 10215, 14125, 17025, 25425, 25651, 28375, 42375, 51075, 76953, 85125, 127125, 128255, 230859, 255375, 384765, 641275, 1154295, 1923825, 3206375, 5771475, 9619125, 28857375]

約数ペア:

[(1, 28857375), (3, 9619125), (5, 5771475), (9, 3206375), (15, 1923825), (25, 1154295), (45, 641275), (75, 384765), (113, 255375), (125, 230859), (225, 128255), (227, 127125), (339, 85125), (375, 76953), (565, 51075), (681, 42375), (1017, 28375), (1125, 25651), (1135, 25425), (1695, 17025), (2043, 14125), (2825, 10215), (3405, 8475), (5085, 5675)]