61486875

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 60

約数和(自身を含む): 117693576

約数和(自身を除く): 56206701

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 643, 765, 1125, 1275, 1875, 1929, 2125, 3215, 3825, 5625, 5787, 6375, 9645, 10625, 10931, 16075, 19125, 28935, 31875, 32793, 48225, 54655, 80375, 95625, 98379, 144675, 163965, 241125, 273275, 401875, 491895, 723375, 819825, 1205625, 1366375, 2459475, 3616875, 4099125, 6831875, 12297375, 20495625, 61486875]

約数ペア:

[(1, 61486875), (3, 20495625), (5, 12297375), (9, 6831875), (15, 4099125), (17, 3616875), (25, 2459475), (45, 1366375), (51, 1205625), (75, 819825), (85, 723375), (125, 491895), (153, 401875), (225, 273275), (255, 241125), (375, 163965), (425, 144675), (625, 98379), (643, 95625), (765, 80375), (1125, 54655), (1275, 48225), (1875, 32793), (1929, 31875), (2125, 28935), (3215, 19125), (3825, 16075), (5625, 10931), (5787, 10625), (6375, 9645)]