28528899

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 46202880

約数和(自身を除く): 17673981

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 563, 889, 1689, 2413, 2667, 3941, 7239, 10697, 11823, 16891, 32091, 50673, 71501, 74879, 214503, 224637, 500507, 1358519, 1501521, 4075557, 9509633, 28528899]

約数ペア:

[(1, 28528899), (3, 9509633), (7, 4075557), (19, 1501521), (21, 1358519), (57, 500507), (127, 224637), (133, 214503), (381, 74879), (399, 71501), (563, 50673), (889, 32091), (1689, 16891), (2413, 11823), (2667, 10697), (3941, 7239)]