28805463

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 19417257

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 367, 459, 513, 969, 1101, 1377, 1539, 2907, 3303, 4131, 4617, 6239, 6973, 8721, 9909, 18717, 20919, 26163, 29727, 56151, 62757, 78489, 89181, 118541, 168453, 188271, 355623, 505359, 564813, 1066869, 1516077, 1694439, 3200607, 9601821, 28805463]

約数ペア:

[(1, 28805463), (3, 9601821), (9, 3200607), (17, 1694439), (19, 1516077), (27, 1066869), (51, 564813), (57, 505359), (81, 355623), (153, 188271), (171, 168453), (243, 118541), (323, 89181), (367, 78489), (459, 62757), (513, 56151), (969, 29727), (1101, 26163), (1377, 20919), (1539, 18717), (2907, 9909), (3303, 8721), (4131, 6973), (4617, 6239)]