51481773

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 91728000

約数和(自身を除く): 40246227

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 861, 1049, 1197, 2337, 2583, 3147, 5453, 7011, 7343, 9441, 16359, 19931, 22029, 43009, 49077, 59793, 66087, 129027, 139517, 179379, 301063, 387081, 418551, 817171, 903189, 1255653, 2451513, 2709567, 5720197, 7354539, 17160591, 51481773]

約数ペア:

[(1, 51481773), (3, 17160591), (7, 7354539), (9, 5720197), (19, 2709567), (21, 2451513), (41, 1255653), (57, 903189), (63, 817171), (123, 418551), (133, 387081), (171, 301063), (287, 179379), (369, 139517), (399, 129027), (779, 66087), (861, 59793), (1049, 49077), (1197, 43009), (2337, 22029), (2583, 19931), (3147, 16359), (5453, 9441), (7011, 7343)]