199828377

素因数分解:

$3^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 362148800

約数和(自身を除く): 162320423

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 229, 243, 399, 513, 567, 687, 729, 1197, 1539, 1603, 1701, 2061, 2187, 3591, 4351, 4617, 4809, 5103, 6183, 6561, 10773, 13053, 13851, 14427, 15309, 18549, 30457, 32319, 39159, 41553, 43281, 45927, 55647, 91371, 96957, 117477, 124659, 129843, 166941, 274113, 290871, 352431, 389529, 500823, 822339, 872613, 1057293, 1168587, 1502469, 2467017, 3171879, 3505761, 7401051, 9515637, 10517283, 22203153, 28546911, 66609459, 199828377]

約数ペア:

[(1, 199828377), (3, 66609459), (7, 28546911), (9, 22203153), (19, 10517283), (21, 9515637), (27, 7401051), (57, 3505761), (63, 3171879), (81, 2467017), (133, 1502469), (171, 1168587), (189, 1057293), (229, 872613), (243, 822339), (399, 500823), (513, 389529), (567, 352431), (687, 290871), (729, 274113), (1197, 166941), (1539, 129843), (1603, 124659), (1701, 117477), (2061, 96957), (2187, 91371), (3591, 55647), (4351, 45927), (4617, 43281), (4809, 41553), (5103, 39159), (6183, 32319), (6561, 30457), (10773, 18549), (13053, 15309), (13851, 14427)]