128784945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1399}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 230428800

約数和(自身を除く): 101643855

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 361, 969, 1083, 1399, 1615, 1805, 4197, 4845, 5415, 6137, 6995, 18411, 20985, 23783, 26581, 30685, 71349, 79743, 92055, 118915, 132905, 356745, 398715, 451877, 505039, 1355631, 1515117, 2259385, 2525195, 6778155, 7575585, 8585663, 25756989, 42928315, 128784945]

約数ペア:

[(1, 128784945), (3, 42928315), (5, 25756989), (15, 8585663), (17, 7575585), (19, 6778155), (51, 2525195), (57, 2259385), (85, 1515117), (95, 1355631), (255, 505039), (285, 451877), (323, 398715), (361, 356745), (969, 132905), (1083, 118915), (1399, 92055), (1615, 79743), (1805, 71349), (4197, 30685), (4845, 26581), (5415, 23783), (6137, 20985), (6995, 18411)]