380738547

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163337}}^1$

素因数の和:163387

約数の個数: 24

約数和(自身を含む): 645511776

約数和(自身を除く): 264773229

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 163337, 490011, 1143359, 1470033, 3430077, 6043469, 10290231, 18130407, 42304283, 54391221, 126912849, 380738547]

約数ペア:

[(1, 380738547), (3, 126912849), (7, 54391221), (9, 42304283), (21, 18130407), (37, 10290231), (63, 6043469), (111, 3430077), (259, 1470033), (333, 1143359), (777, 490011), (2331, 163337)]