1330985439

素因数分解:

$3^4\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{1777}}^1$

素因数の和:3117

約数の個数: 40

約数和(自身を含む): 2275299488

約数和(自身を除く): 944314049

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1321, 1777, 3963, 5331, 9247, 11889, 12439, 15993, 27741, 35667, 37317, 47979, 83223, 107001, 111951, 143937, 249669, 335853, 749007, 1007559, 2347417, 7042251, 16431919, 21126753, 49295757, 63380259, 147887271, 190140777, 443661813, 1330985439]

約数ペア:

[(1, 1330985439), (3, 443661813), (7, 190140777), (9, 147887271), (21, 63380259), (27, 49295757), (63, 21126753), (81, 16431919), (189, 7042251), (567, 2347417), (1321, 1007559), (1777, 749007), (3963, 335853), (5331, 249669), (9247, 143937), (11889, 111951), (12439, 107001), (15993, 83223), (27741, 47979), (35667, 37317)]