12955131

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 22963200

約数和(自身を除く): 10008069

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 79, 133, 137, 171, 237, 399, 411, 553, 711, 959, 1197, 1233, 1501, 1659, 2603, 2877, 4503, 4977, 7809, 8631, 10507, 10823, 13509, 18221, 23427, 31521, 32469, 54663, 75761, 94563, 97407, 163989, 205637, 227283, 616911, 681849, 1439459, 1850733, 4318377, 12955131]

約数ペア:

[(1, 12955131), (3, 4318377), (7, 1850733), (9, 1439459), (19, 681849), (21, 616911), (57, 227283), (63, 205637), (79, 163989), (133, 97407), (137, 94563), (171, 75761), (237, 54663), (399, 32469), (411, 31521), (553, 23427), (711, 18221), (959, 13509), (1197, 10823), (1233, 10507), (1501, 8631), (1659, 7809), (2603, 4977), (2877, 4503)]