81386586

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{51971}}^1$

素因数の和:52011

約数の個数: 32

約数和(自身を含む): 187099200

約数和(自身を除く): 105712614

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 51971, 103942, 155913, 311826, 467739, 935478, 1403217, 1507159, 2806434, 3014318, 4521477, 9042954, 13564431, 27128862, 40693293, 81386586]

約数ペア:

[(1, 81386586), (2, 40693293), (3, 27128862), (6, 13564431), (9, 9042954), (18, 4521477), (27, 3014318), (29, 2806434), (54, 1507159), (58, 1403217), (87, 935478), (174, 467739), (261, 311826), (522, 155913), (783, 103942), (1566, 51971)]