12147775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 16164144

約数和(自身を除く): 4016369

約数列:

[1, 5, 17, 25, 85, 101, 283, 425, 505, 1415, 1717, 2525, 4811, 7075, 8585, 24055, 28583, 42925, 120275, 142915, 485911, 714575, 2429555, 12147775]

約数ペア:

[(1, 12147775), (5, 2429555), (17, 714575), (25, 485911), (85, 142915), (101, 120275), (283, 42925), (425, 28583), (505, 24055), (1415, 8585), (1717, 7075), (2525, 4811)]