217469715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5783}}^1$

素因数の和:5923

約数の個数: 32

約数和(自身を含む): 366474240

約数和(自身を除く): 149004525

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 545, 1635, 2507, 5783, 7521, 12535, 17349, 28915, 37605, 86745, 133009, 399027, 630347, 665045, 1891041, 1995135, 3151735, 9455205, 14497981, 43493943, 72489905, 217469715]

約数ペア:

[(1, 217469715), (3, 72489905), (5, 43493943), (15, 14497981), (23, 9455205), (69, 3151735), (109, 1995135), (115, 1891041), (327, 665045), (345, 630347), (545, 399027), (1635, 133009), (2507, 86745), (5783, 37605), (7521, 28915), (12535, 17349)]