251022015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4813}}^1$

素因数の和:4904

約数の個数: 48

約数和(自身を含む): 465610080

約数和(自身を除く): 214588065

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 549, 855, 915, 1159, 2745, 3477, 4813, 5795, 10431, 14439, 17385, 24065, 43317, 52155, 72195, 91447, 216585, 274341, 293593, 457235, 823023, 880779, 1371705, 1467965, 2642337, 4115115, 4403895, 5578267, 13211685, 16734801, 27891335, 50204403, 83674005, 251022015]

約数ペア:

[(1, 251022015), (3, 83674005), (5, 50204403), (9, 27891335), (15, 16734801), (19, 13211685), (45, 5578267), (57, 4403895), (61, 4115115), (95, 2642337), (171, 1467965), (183, 1371705), (285, 880779), (305, 823023), (549, 457235), (855, 293593), (915, 274341), (1159, 216585), (2745, 91447), (3477, 72195), (4813, 52155), (5795, 43317), (10431, 24065), (14439, 17385)]