439875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 48

約数和(自身を含む): 876096

約数和(自身を除く): 436221

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 125, 153, 207, 225, 255, 345, 375, 391, 425, 575, 765, 1035, 1125, 1173, 1275, 1725, 1955, 2125, 2875, 3519, 3825, 5175, 5865, 6375, 8625, 9775, 17595, 19125, 25875, 29325, 48875, 87975, 146625, 439875]

約数ペア:

[(1, 439875), (3, 146625), (5, 87975), (9, 48875), (15, 29325), (17, 25875), (23, 19125), (25, 17595), (45, 9775), (51, 8625), (69, 6375), (75, 5865), (85, 5175), (115, 3825), (125, 3519), (153, 2875), (207, 2125), (225, 1955), (255, 1725), (345, 1275), (375, 1173), (391, 1125), (425, 1035), (575, 765)]