403840971

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 622702080

約数和(自身を除く): 218861109

約数列:

[1, 3, 9, 27, 71, 81, 89, 213, 243, 263, 267, 639, 789, 801, 1917, 2367, 2403, 5751, 6319, 7101, 7209, 17253, 18673, 18957, 21303, 21627, 23407, 56019, 56871, 63909, 70221, 168057, 170613, 210663, 504171, 511839, 631989, 1512513, 1535517, 1661897, 1895967, 4537539, 4985691, 5687901, 14957073, 44871219, 134613657, 403840971]

約数ペア:

[(1, 403840971), (3, 134613657), (9, 44871219), (27, 14957073), (71, 5687901), (81, 4985691), (89, 4537539), (213, 1895967), (243, 1661897), (263, 1535517), (267, 1512513), (639, 631989), (789, 511839), (801, 504171), (1917, 210663), (2367, 170613), (2403, 168057), (5751, 70221), (6319, 63909), (7101, 56871), (7209, 56019), (17253, 23407), (18673, 21627), (18957, 21303)]