71784909

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 125079552

約数和(自身を除く): 53294643

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 107, 161, 207, 321, 463, 483, 749, 963, 1389, 1449, 2247, 2461, 3241, 4167, 6741, 7383, 9723, 10649, 17227, 22149, 29169, 31947, 49541, 51681, 74543, 95841, 148623, 155043, 223629, 346787, 445869, 670887, 1040361, 1139443, 3121083, 3418329, 7976101, 10254987, 23928303, 71784909]

約数ペア:

[(1, 71784909), (3, 23928303), (7, 10254987), (9, 7976101), (21, 3418329), (23, 3121083), (63, 1139443), (69, 1040361), (107, 670887), (161, 445869), (207, 346787), (321, 223629), (463, 155043), (483, 148623), (749, 95841), (963, 74543), (1389, 51681), (1449, 49541), (2247, 31947), (2461, 29169), (3241, 22149), (4167, 17227), (6741, 10649), (7383, 9723)]