248633415

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 472158720

約数和(自身を除く): 223525305

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 131, 135, 153, 255, 393, 459, 655, 765, 827, 1179, 1965, 2227, 2295, 2481, 3537, 4135, 5895, 6681, 7443, 11135, 12405, 14059, 17685, 20043, 22329, 33405, 37215, 42177, 60129, 70295, 100215, 108337, 111645, 126531, 210885, 300645, 325011, 379593, 541685, 632655, 975033, 1625055, 1841729, 1897965, 2925099, 4875165, 5525187, 9208645, 14625495, 16575561, 27625935, 49726683, 82877805, 248633415]

約数ペア:

[(1, 248633415), (3, 82877805), (5, 49726683), (9, 27625935), (15, 16575561), (17, 14625495), (27, 9208645), (45, 5525187), (51, 4875165), (85, 2925099), (131, 1897965), (135, 1841729), (153, 1625055), (255, 975033), (393, 632655), (459, 541685), (655, 379593), (765, 325011), (827, 300645), (1179, 210885), (1965, 126531), (2227, 111645), (2295, 108337), (2481, 100215), (3537, 70295), (4135, 60129), (5895, 42177), (6681, 37215), (7443, 33405), (11135, 22329), (12405, 20043), (14059, 17685)]