818556987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 1249205760

約数和(自身を除く): 430648773

約数列:

[1, 3, 17, 29, 43, 51, 61, 87, 129, 183, 211, 493, 633, 731, 1037, 1247, 1479, 1769, 2193, 2623, 3111, 3587, 3741, 5307, 6119, 7869, 9073, 10761, 12871, 18357, 21199, 27219, 30073, 38613, 44591, 63597, 76067, 90219, 104023, 133773, 154241, 218807, 228201, 263117, 312069, 373259, 462723, 553453, 656421, 789351, 1119777, 1293139, 1660359, 3879417, 4472989, 6345403, 9408701, 13418967, 16050137, 19036209, 28226103, 48150411, 272852329, 818556987]

約数ペア:

[(1, 818556987), (3, 272852329), (17, 48150411), (29, 28226103), (43, 19036209), (51, 16050137), (61, 13418967), (87, 9408701), (129, 6345403), (183, 4472989), (211, 3879417), (493, 1660359), (633, 1293139), (731, 1119777), (1037, 789351), (1247, 656421), (1479, 553453), (1769, 462723), (2193, 373259), (2623, 312069), (3111, 263117), (3587, 228201), (3741, 218807), (5307, 154241), (6119, 133773), (7869, 104023), (9073, 90219), (10761, 76067), (12871, 63597), (18357, 44591), (21199, 38613), (27219, 30073)]