164967405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 133630995

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 79, 85, 95, 237, 255, 285, 323, 395, 431, 969, 1185, 1293, 1343, 1501, 1615, 2155, 4029, 4503, 4845, 6465, 6715, 7327, 7505, 8189, 20145, 21981, 22515, 24567, 25517, 34049, 36635, 40945, 76551, 102147, 109905, 122835, 127585, 139213, 170245, 382755, 417639, 510735, 578833, 646931, 696065, 1736499, 1940793, 2088195, 2894165, 3234655, 8682495, 9703965, 10997827, 32993481, 54989135, 164967405]

約数ペア:

[(1, 164967405), (3, 54989135), (5, 32993481), (15, 10997827), (17, 9703965), (19, 8682495), (51, 3234655), (57, 2894165), (79, 2088195), (85, 1940793), (95, 1736499), (237, 696065), (255, 646931), (285, 578833), (323, 510735), (395, 417639), (431, 382755), (969, 170245), (1185, 139213), (1293, 127585), (1343, 122835), (1501, 109905), (1615, 102147), (2155, 76551), (4029, 40945), (4503, 36635), (4845, 34049), (6465, 25517), (6715, 24567), (7327, 22515), (7505, 21981), (8189, 20145)]