28566375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 50341824

約数和(自身を除く): 21775449

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 4481, 6375, 13443, 22405, 67215, 76177, 112025, 228531, 336075, 380885, 560125, 1142655, 1680375, 1904425, 5713275, 9522125, 28566375]

約数ペア:

[(1, 28566375), (3, 9522125), (5, 5713275), (15, 1904425), (17, 1680375), (25, 1142655), (51, 560125), (75, 380885), (85, 336075), (125, 228531), (255, 112025), (375, 76177), (425, 67215), (1275, 22405), (2125, 13443), (4481, 6375)]