78171225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5030

約数の個数: 48

約数和(自身を含む): 148442880

約数和(自身を除く): 70271655

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 4987, 5225, 14961, 15675, 24935, 54857, 74805, 94753, 124675, 164571, 274285, 284259, 374025, 473765, 822855, 1042283, 1371425, 1421295, 2368825, 3126849, 4114275, 5211415, 7106475, 15634245, 26057075, 78171225]

約数ペア:

[(1, 78171225), (3, 26057075), (5, 15634245), (11, 7106475), (15, 5211415), (19, 4114275), (25, 3126849), (33, 2368825), (55, 1421295), (57, 1371425), (75, 1042283), (95, 822855), (165, 473765), (209, 374025), (275, 284259), (285, 274285), (475, 164571), (627, 124675), (825, 94753), (1045, 74805), (1425, 54857), (3135, 24935), (4987, 15675), (5225, 14961)]