65625075

素因数分解:

$3^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1109}}^1$

素因数の和:1388

約数の個数: 36

約数和(自身を含む): 118095120

約数和(自身を除く): 52470045

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 263, 789, 1109, 1315, 2367, 3327, 3945, 5545, 6575, 9981, 11835, 16635, 19725, 27725, 49905, 59175, 83175, 249525, 291667, 875001, 1458335, 2625003, 4375005, 7291675, 13125015, 21875025, 65625075]

約数ペア:

[(1, 65625075), (3, 21875025), (5, 13125015), (9, 7291675), (15, 4375005), (25, 2625003), (45, 1458335), (75, 875001), (225, 291667), (263, 249525), (789, 83175), (1109, 59175), (1315, 49905), (2367, 27725), (3327, 19725), (3945, 16635), (5545, 11835), (6575, 9981)]