201800421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 321804288

約数和(自身を除く): 120003867

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 157, 271, 279, 471, 527, 813, 1413, 1581, 2439, 2669, 4607, 4743, 4867, 8007, 8401, 13821, 14601, 24021, 25203, 41463, 42547, 43803, 75609, 82739, 127641, 142817, 248217, 382923, 428451, 723299, 744651, 1285353, 1318957, 2169897, 3956871, 6509691, 11870613, 22422269, 67266807, 201800421]

約数ペア:

[(1, 201800421), (3, 67266807), (9, 22422269), (17, 11870613), (31, 6509691), (51, 3956871), (93, 2169897), (153, 1318957), (157, 1285353), (271, 744651), (279, 723299), (471, 428451), (527, 382923), (813, 248217), (1413, 142817), (1581, 127641), (2439, 82739), (2669, 75609), (4607, 43803), (4743, 42547), (4867, 41463), (8007, 25203), (8401, 24021), (13821, 14601)]