209879487

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1499}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 310752000

約数和(自身を除く): 100872513

約数列:

[1, 3, 9, 47, 141, 331, 423, 993, 1499, 2979, 4497, 13491, 15557, 46671, 70453, 140013, 211359, 496169, 634077, 1488507, 4465521, 23319943, 69959829, 209879487]

約数ペア:

[(1, 209879487), (3, 69959829), (9, 23319943), (47, 4465521), (141, 1488507), (331, 634077), (423, 496169), (993, 211359), (1499, 140013), (2979, 70453), (4497, 46671), (13491, 15557)]