243921951

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 445833024

約数和(自身を除く): 201911073

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 157, 271, 273, 441, 471, 637, 813, 819, 1099, 1413, 1897, 1911, 2041, 2439, 3297, 3523, 5691, 5733, 6123, 7693, 9891, 10569, 13279, 14287, 17073, 18369, 23079, 24661, 31707, 39837, 42547, 42861, 69237, 73983, 100009, 119511, 127641, 128583, 172627, 221949, 297829, 300027, 382923, 517881, 553111, 893487, 900081, 1553643, 1659333, 2084803, 2680461, 3871777, 4977999, 6254409, 11615331, 18763227, 27102439, 34845993, 81307317, 243921951]

約数ペア:

[(1, 243921951), (3, 81307317), (7, 34845993), (9, 27102439), (13, 18763227), (21, 11615331), (39, 6254409), (49, 4977999), (63, 3871777), (91, 2680461), (117, 2084803), (147, 1659333), (157, 1553643), (271, 900081), (273, 893487), (441, 553111), (471, 517881), (637, 382923), (813, 300027), (819, 297829), (1099, 221949), (1413, 172627), (1897, 128583), (1911, 127641), (2041, 119511), (2439, 100009), (3297, 73983), (3523, 69237), (5691, 42861), (5733, 42547), (6123, 39837), (7693, 31707), (9891, 24661), (10569, 23079), (13279, 18369), (14287, 17073)]