17980967571

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1451}}^1\times {\mathrm{2351}}^1$

素因数の和:4063

約数の個数: 32

約数和(自身を含む): 27539398656

約数和(自身を除く): 9558431085

約数列:

[1, 3, 7, 21, 251, 753, 1451, 1757, 2351, 4353, 5271, 7053, 10157, 16457, 30471, 49371, 364201, 590101, 1092603, 1770303, 2549407, 3411301, 4130707, 7648221, 10233903, 12392121, 23879107, 71637321, 856236551, 2568709653, 5993655857, 17980967571]

約数ペア:

[(1, 17980967571), (3, 5993655857), (7, 2568709653), (21, 856236551), (251, 71637321), (753, 23879107), (1451, 12392121), (1757, 10233903), (2351, 7648221), (4353, 4130707), (5271, 3411301), (7053, 2549407), (10157, 1770303), (16457, 1092603), (30471, 590101), (49371, 364201)]