16525275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 31185504

約数和(自身を除く): 14660229

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 997, 1105, 1275, 2991, 3315, 4985, 5525, 12961, 14955, 16575, 16949, 24925, 38883, 50847, 64805, 74775, 84745, 194415, 220337, 254235, 324025, 423725, 661011, 972075, 1101685, 1271175, 3305055, 5508425, 16525275]

約数ペア:

[(1, 16525275), (3, 5508425), (5, 3305055), (13, 1271175), (15, 1101685), (17, 972075), (25, 661011), (39, 423725), (51, 324025), (65, 254235), (75, 220337), (85, 194415), (195, 84745), (221, 74775), (255, 64805), (325, 50847), (425, 38883), (663, 24925), (975, 16949), (997, 16575), (1105, 14955), (1275, 12961), (2991, 5525), (3315, 4985)]