209898339

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6659}}^1$

素因数の和:6767

約数の個数: 32

約数和(自身を含む): 340992000

約数和(自身を除く): 131093661

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 6659, 10507, 19977, 31521, 46613, 126521, 139839, 379563, 526061, 885647, 1578183, 2656941, 3682427, 9995159, 11047281, 29985477, 69966113, 209898339]

約数ペア:

[(1, 209898339), (3, 69966113), (7, 29985477), (19, 11047281), (21, 9995159), (57, 3682427), (79, 2656941), (133, 1578183), (237, 885647), (399, 526061), (553, 379563), (1501, 139839), (1659, 126521), (4503, 46613), (6659, 31521), (10507, 19977)]