137320521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 203645568

約数和(自身を除く): 66325047

約数列:

[1, 3, 13, 39, 41, 123, 157, 471, 533, 547, 1599, 1641, 2041, 6123, 6437, 7111, 19311, 21333, 22427, 67281, 83681, 85879, 251043, 257637, 291551, 874653, 1116427, 3349281, 3521039, 10563117, 45773507, 137320521]

約数ペア:

[(1, 137320521), (3, 45773507), (13, 10563117), (39, 3521039), (41, 3349281), (123, 1116427), (157, 874653), (471, 291551), (533, 257637), (547, 251043), (1599, 85879), (1641, 83681), (2041, 67281), (6123, 22427), (6437, 21333), (7111, 19311)]