51683481

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 79920000

約数和(自身を除く): 28236519

約数列:

[1, 3, 9, 27, 29, 87, 149, 261, 443, 447, 783, 1329, 1341, 3987, 4023, 4321, 11961, 12847, 12963, 38541, 38889, 66007, 115623, 116667, 198021, 346869, 594063, 1782189, 1914203, 5742609, 17227827, 51683481]

約数ペア:

[(1, 51683481), (3, 17227827), (9, 5742609), (27, 1914203), (29, 1782189), (87, 594063), (149, 346869), (261, 198021), (443, 116667), (447, 115623), (783, 66007), (1329, 38889), (1341, 38541), (3987, 12963), (4023, 12847), (4321, 11961)]