1681291269

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{306749}}^1$

素因数の和:306794

約数の個数: 32

約数和(自身を含む): 2944800000

約数和(自身を除く): 1263508731

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 306749, 920247, 2147243, 2760741, 6441729, 8282223, 8895721, 19325187, 26687163, 57975561, 62270047, 80061489, 186810141, 240184467, 560430423, 1681291269]

約数ペア:

[(1, 1681291269), (3, 560430423), (7, 240184467), (9, 186810141), (21, 80061489), (27, 62270047), (29, 57975561), (63, 26687163), (87, 19325187), (189, 8895721), (203, 8282223), (261, 6441729), (609, 2760741), (783, 2147243), (1827, 920247), (5481, 306749)]