188975997

素因数分解:

$3^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 336117600

約数和(自身を除く): 147141603

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 81, 147, 177, 189, 243, 269, 413, 441, 531, 567, 807, 1239, 1323, 1593, 1701, 1883, 2421, 2891, 3717, 3969, 4779, 5649, 7263, 8673, 11151, 11907, 13181, 14337, 15871, 16947, 21789, 26019, 33453, 39543, 47613, 50841, 65367, 78057, 100359, 111097, 118629, 142839, 152523, 234171, 333291, 355887, 428517, 457569, 702513, 777679, 999873, 1067661, 1285551, 2333037, 2999619, 3202983, 3856653, 6999111, 8998857, 20997333, 26996571, 62991999, 188975997]

約数ペア:

[(1, 188975997), (3, 62991999), (7, 26996571), (9, 20997333), (21, 8998857), (27, 6999111), (49, 3856653), (59, 3202983), (63, 2999619), (81, 2333037), (147, 1285551), (177, 1067661), (189, 999873), (243, 777679), (269, 702513), (413, 457569), (441, 428517), (531, 355887), (567, 333291), (807, 234171), (1239, 152523), (1323, 142839), (1593, 118629), (1701, 111097), (1883, 100359), (2421, 78057), (2891, 65367), (3717, 50841), (3969, 47613), (4779, 39543), (5649, 33453), (7263, 26019), (8673, 21789), (11151, 16947), (11907, 15871), (13181, 14337)]