15739875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 30079296

約数和(自身を除く): 14339421

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 823, 1125, 1275, 2125, 2469, 3825, 4115, 6375, 7407, 12345, 13991, 19125, 20575, 37035, 41973, 61725, 69955, 102875, 125919, 185175, 209865, 308625, 349775, 629595, 925875, 1049325, 1748875, 3147975, 5246625, 15739875]

約数ペア:

[(1, 15739875), (3, 5246625), (5, 3147975), (9, 1748875), (15, 1049325), (17, 925875), (25, 629595), (45, 349775), (51, 308625), (75, 209865), (85, 185175), (125, 125919), (153, 102875), (225, 69955), (255, 61725), (375, 41973), (425, 37035), (765, 20575), (823, 19125), (1125, 13991), (1275, 12345), (2125, 7407), (2469, 6375), (3825, 4115)]