28875589281

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{404539}}^1$

素因数の和:404666

約数の個数: 48

約数和(自身を含む): 52506055680

約数和(自身を除く): 23630466399

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 309, 693, 721, 927, 1133, 2163, 3399, 6489, 7931, 10197, 23793, 71379, 404539, 1213617, 2831773, 3640851, 4449929, 8495319, 13349787, 25485957, 31149503, 40049361, 41667517, 93448509, 125002551, 280345527, 291672619, 375007653, 458342687, 875017857, 1375028061, 2625053571, 3208398809, 4125084183, 9625196427, 28875589281]

約数ペア:

[(1, 28875589281), (3, 9625196427), (7, 4125084183), (9, 3208398809), (11, 2625053571), (21, 1375028061), (33, 875017857), (63, 458342687), (77, 375007653), (99, 291672619), (103, 280345527), (231, 125002551), (309, 93448509), (693, 41667517), (721, 40049361), (927, 31149503), (1133, 25485957), (2163, 13349787), (3399, 8495319), (6489, 4449929), (7931, 3640851), (10197, 2831773), (23793, 1213617), (71379, 404539)]