15397725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 29442560

約数和(自身を除く): 14044835

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 139, 175, 211, 417, 525, 633, 695, 973, 1055, 1477, 2085, 2919, 3165, 3475, 4431, 4865, 5275, 7385, 10425, 14595, 15825, 22155, 24325, 29329, 36925, 72975, 87987, 110775, 146645, 205303, 439935, 615909, 733225, 1026515, 2199675, 3079545, 5132575, 15397725]

約数ペア:

[(1, 15397725), (3, 5132575), (5, 3079545), (7, 2199675), (15, 1026515), (21, 733225), (25, 615909), (35, 439935), (75, 205303), (105, 146645), (139, 110775), (175, 87987), (211, 72975), (417, 36925), (525, 29329), (633, 24325), (695, 22155), (973, 15825), (1055, 14595), (1477, 10425), (2085, 7385), (2919, 5275), (3165, 4865), (3475, 4431)]