12211965

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 24155040

約数和(自身を除く): 11943075

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 81, 95, 115, 135, 171, 207, 243, 285, 345, 405, 437, 513, 529, 621, 855, 1035, 1215, 1311, 1539, 1587, 1863, 2185, 2565, 2645, 3105, 3933, 4617, 4761, 5589, 6555, 7695, 7935, 9315, 10051, 11799, 14283, 19665, 23085, 23805, 27945, 30153, 35397, 42849, 50255, 58995, 71415, 90459, 106191, 128547, 150765, 176985, 214245, 271377, 452295, 530955, 642735, 814131, 1356885, 2442393, 4070655, 12211965]

約数ペア:

[(1, 12211965), (3, 4070655), (5, 2442393), (9, 1356885), (15, 814131), (19, 642735), (23, 530955), (27, 452295), (45, 271377), (57, 214245), (69, 176985), (81, 150765), (95, 128547), (115, 106191), (135, 90459), (171, 71415), (207, 58995), (243, 50255), (285, 42849), (345, 35397), (405, 30153), (437, 27945), (513, 23805), (529, 23085), (621, 19665), (855, 14283), (1035, 11799), (1215, 10051), (1311, 9315), (1539, 7935), (1587, 7695), (1863, 6555), (2185, 5589), (2565, 4761), (2645, 4617), (3105, 3933)]