81389718

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{51973}}^1$

素因数の和:52013

約数の個数: 32

約数和(自身を含む): 187106400

約数和(自身を除く): 105716682

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 51973, 103946, 155919, 311838, 467757, 935514, 1403271, 1507217, 2806542, 3014434, 4521651, 9043302, 13564953, 27129906, 40694859, 81389718]

約数ペア:

[(1, 81389718), (2, 40694859), (3, 27129906), (6, 13564953), (9, 9043302), (18, 4521651), (27, 3014434), (29, 2806542), (54, 1507217), (58, 1403271), (87, 935514), (174, 467757), (261, 311838), (522, 155919), (783, 103946), (1566, 51973)]