1248345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 2538240

約数和(自身を除く): 1289895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1321, 3963, 6605, 9247, 11889, 19815, 27741, 35667, 46235, 59445, 83223, 138705, 178335, 249669, 416115, 1248345]

約数ペア:

[(1, 1248345), (3, 416115), (5, 249669), (7, 178335), (9, 138705), (15, 83223), (21, 59445), (27, 46235), (35, 35667), (45, 27741), (63, 19815), (105, 11889), (135, 9247), (189, 6605), (315, 3963), (945, 1321)]