726885747

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 1260304656

約数和(自身を除く): 533418909

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 73, 147, 201, 219, 337, 441, 469, 511, 603, 657, 1011, 1407, 1533, 2359, 3033, 3283, 3577, 4221, 4599, 4891, 7077, 9849, 10731, 14673, 16513, 21231, 22579, 24601, 29547, 32193, 34237, 44019, 49539, 67737, 73803, 102711, 148617, 158053, 172207, 203211, 221409, 239659, 308133, 474159, 516621, 718977, 1106371, 1205449, 1422477, 1549863, 1648267, 2156931, 3319113, 3616347, 4944801, 9957339, 10849041, 11537869, 14834403, 34613607, 80765083, 103840821, 242295249, 726885747]

約数ペア:

[(1, 726885747), (3, 242295249), (7, 103840821), (9, 80765083), (21, 34613607), (49, 14834403), (63, 11537869), (67, 10849041), (73, 9957339), (147, 4944801), (201, 3616347), (219, 3319113), (337, 2156931), (441, 1648267), (469, 1549863), (511, 1422477), (603, 1205449), (657, 1106371), (1011, 718977), (1407, 516621), (1533, 474159), (2359, 308133), (3033, 239659), (3283, 221409), (3577, 203211), (4221, 172207), (4599, 158053), (4891, 148617), (7077, 102711), (9849, 73803), (10731, 67737), (14673, 49539), (16513, 44019), (21231, 34237), (22579, 32193), (24601, 29547)]