1221909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 1975680

約数和(自身を除く): 753771

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 97, 221, 247, 291, 323, 663, 741, 969, 1261, 1649, 1843, 3783, 4199, 4947, 5529, 12597, 21437, 23959, 31331, 64311, 71877, 93993, 407303, 1221909]

約数ペア:

[(1, 1221909), (3, 407303), (13, 93993), (17, 71877), (19, 64311), (39, 31331), (51, 23959), (57, 21437), (97, 12597), (221, 5529), (247, 4947), (291, 4199), (323, 3783), (663, 1843), (741, 1649), (969, 1261)]