16040997

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 40

約数和(自身を含む): 28846400

約数和(自身を除く): 12805403

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1489, 1539, 3591, 4467, 10423, 10773, 13401, 28291, 31269, 40203, 84873, 93807, 120609, 198037, 254619, 281421, 594111, 763857, 844263, 1782333, 2291571, 5346999, 16040997]

約数ペア:

[(1, 16040997), (3, 5346999), (7, 2291571), (9, 1782333), (19, 844263), (21, 763857), (27, 594111), (57, 281421), (63, 254619), (81, 198037), (133, 120609), (171, 93807), (189, 84873), (399, 40203), (513, 31269), (567, 28291), (1197, 13401), (1489, 10773), (1539, 10423), (3591, 4467)]