277718991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1901}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 427265280

約数和(自身を除く): 149546289

約数列:

[1, 3, 11, 19, 33, 57, 209, 233, 627, 699, 1901, 2563, 4427, 5703, 7689, 13281, 20911, 36119, 48697, 62733, 108357, 146091, 397309, 442933, 1191927, 1328799, 4872263, 8415727, 14616789, 25247181, 92572997, 277718991]

約数ペア:

[(1, 277718991), (3, 92572997), (11, 25247181), (19, 14616789), (33, 8415727), (57, 4872263), (209, 1328799), (233, 1191927), (627, 442933), (699, 397309), (1901, 146091), (2563, 108357), (4427, 62733), (5703, 48697), (7689, 36119), (13281, 20911)]