1977259923

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{971}}^1\times {\mathrm{1423}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 2989716480

約数和(自身を除く): 1012456557

約数列:

[1, 3, 9, 27, 53, 159, 477, 971, 1423, 1431, 2913, 4269, 8739, 12807, 26217, 38421, 51463, 75419, 154389, 226257, 463167, 678771, 1381733, 1389501, 2036313, 4145199, 12435597, 37306791, 73231849, 219695547, 659086641, 1977259923]

約数ペア:

[(1, 1977259923), (3, 659086641), (9, 219695547), (27, 73231849), (53, 37306791), (159, 12435597), (477, 4145199), (971, 2036313), (1423, 1389501), (1431, 1381733), (2913, 678771), (4269, 463167), (8739, 226257), (12807, 154389), (26217, 75419), (38421, 51463)]