249314979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{563}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 371969280

約数和(自身を除く): 122654301

約数列:

[1, 3, 17, 19, 51, 57, 323, 457, 563, 969, 1371, 1689, 7769, 8683, 9571, 10697, 23307, 26049, 28713, 32091, 147611, 181849, 257291, 442833, 545547, 771873, 4373947, 4888529, 13121841, 14665587, 83104993, 249314979]

約数ペア:

[(1, 249314979), (3, 83104993), (17, 14665587), (19, 13121841), (51, 4888529), (57, 4373947), (323, 771873), (457, 545547), (563, 442833), (969, 257291), (1371, 181849), (1689, 147611), (7769, 32091), (8683, 28713), (9571, 26049), (10697, 23307)]