81743364

素因数分解:

$2^2\times 3^3\times {\mathrm{509}}^1\times {\mathrm{1487}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 212486400

約数和(自身を除く): 130743036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 509, 1018, 1487, 1527, 2036, 2974, 3054, 4461, 4581, 5948, 6108, 8922, 9162, 13383, 13743, 17844, 18324, 26766, 27486, 40149, 53532, 54972, 80298, 160596, 756883, 1513766, 2270649, 3027532, 4541298, 6811947, 9082596, 13623894, 20435841, 27247788, 40871682, 81743364]

約数ペア:

[(1, 81743364), (2, 40871682), (3, 27247788), (4, 20435841), (6, 13623894), (9, 9082596), (12, 6811947), (18, 4541298), (27, 3027532), (36, 2270649), (54, 1513766), (108, 756883), (509, 160596), (1018, 80298), (1487, 54972), (1527, 53532), (2036, 40149), (2974, 27486), (3054, 26766), (4461, 18324), (4581, 17844), (5948, 13743), (6108, 13383), (8922, 9162)]