80937207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 57441033

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 741, 897, 1311, 1583, 2223, 2691, 3933, 4749, 5681, 14247, 17043, 20579, 30077, 36409, 51129, 61737, 90231, 109227, 185211, 270693, 327681, 391001, 473317, 691771, 1173003, 1419951, 2075313, 3519009, 4259853, 6225939, 8993023, 26979069, 80937207]

約数ペア:

[(1, 80937207), (3, 26979069), (9, 8993023), (13, 6225939), (19, 4259853), (23, 3519009), (39, 2075313), (57, 1419951), (69, 1173003), (117, 691771), (171, 473317), (207, 391001), (247, 327681), (299, 270693), (437, 185211), (741, 109227), (897, 90231), (1311, 61737), (1583, 51129), (2223, 36409), (2691, 30077), (3933, 20579), (4749, 17043), (5681, 14247)]