202947615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20407}}^1$

素因数の和:20448

約数の個数: 48

約数和(自身を含む): 401139648

約数和(自身を除く): 198192033

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 20407, 61221, 102035, 183663, 265291, 306105, 346919, 795873, 918315, 1040757, 1326455, 1734595, 2387619, 3122271, 3979365, 4509947, 5203785, 11938095, 13529841, 15611355, 22549735, 40589523, 67649205, 202947615]

約数ペア:

[(1, 202947615), (3, 67649205), (5, 40589523), (9, 22549735), (13, 15611355), (15, 13529841), (17, 11938095), (39, 5203785), (45, 4509947), (51, 3979365), (65, 3122271), (85, 2387619), (117, 1734595), (153, 1326455), (195, 1040757), (221, 918315), (255, 795873), (585, 346919), (663, 306105), (765, 265291), (1105, 183663), (1989, 102035), (3315, 61221), (9945, 20407)]