287432817

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31321}}^1$

素因数の和:31373

約数の個数: 32

約数和(自身を含む): 481105920

約数和(自身を除く): 193673103

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 31321, 93963, 219247, 595099, 657741, 720383, 1785297, 2161149, 4165693, 5042681, 12497079, 13687277, 15128043, 41061831, 95810939, 287432817]

約数ペア:

[(1, 287432817), (3, 95810939), (7, 41061831), (19, 15128043), (21, 13687277), (23, 12497079), (57, 5042681), (69, 4165693), (133, 2161149), (161, 1785297), (399, 720383), (437, 657741), (483, 595099), (1311, 219247), (3059, 93963), (9177, 31321)]