20100927

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 35195904

約数和(自身を除く): 15094977

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 401, 539, 651, 1023, 1203, 1519, 1617, 2387, 2807, 4411, 4557, 7161, 8421, 12431, 13233, 16709, 19649, 30877, 37293, 50127, 58947, 87017, 92631, 136741, 216139, 261051, 410223, 609119, 648417, 957187, 1827357, 2871561, 6700309, 20100927]

約数ペア:

[(1, 20100927), (3, 6700309), (7, 2871561), (11, 1827357), (21, 957187), (31, 648417), (33, 609119), (49, 410223), (77, 261051), (93, 216139), (147, 136741), (217, 92631), (231, 87017), (341, 58947), (401, 50127), (539, 37293), (651, 30877), (1023, 19649), (1203, 16709), (1519, 13233), (1617, 12431), (2387, 8421), (2807, 7161), (4411, 4557)]