203440347

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 329412096

約数和(自身を除く): 125971749

約数列:

[1, 3, 9, 11, 33, 71, 99, 103, 213, 281, 309, 639, 781, 843, 927, 1133, 2343, 2529, 3091, 3399, 7029, 7313, 9273, 10197, 19951, 21939, 27819, 28943, 59853, 65817, 80443, 86829, 179559, 219461, 241329, 260487, 318373, 658383, 723987, 955119, 1975149, 2054953, 2865357, 6164859, 18494577, 22604483, 67813449, 203440347]

約数ペア:

[(1, 203440347), (3, 67813449), (9, 22604483), (11, 18494577), (33, 6164859), (71, 2865357), (99, 2054953), (103, 1975149), (213, 955119), (281, 723987), (309, 658383), (639, 318373), (781, 260487), (843, 241329), (927, 219461), (1133, 179559), (2343, 86829), (2529, 80443), (3091, 65817), (3399, 59853), (7029, 28943), (7313, 27819), (9273, 21939), (10197, 19951)]