231626871

素因数分解:

$3^5\times 7^4\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 60

約数和(自身を含む): 405786472

約数和(自身を除く): 174159601

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 397, 441, 567, 1029, 1191, 1323, 1701, 2401, 2779, 3087, 3573, 3969, 7203, 8337, 9261, 10719, 11907, 19453, 21609, 25011, 27783, 32157, 58359, 64827, 75033, 83349, 96471, 136171, 175077, 194481, 225099, 408513, 525231, 583443, 675297, 953197, 1225539, 1575693, 2859591, 3676617, 4727079, 8578773, 11029851, 25736319, 33089553, 77208957, 231626871]

約数ペア:

[(1, 231626871), (3, 77208957), (7, 33089553), (9, 25736319), (21, 11029851), (27, 8578773), (49, 4727079), (63, 3676617), (81, 2859591), (147, 1575693), (189, 1225539), (243, 953197), (343, 675297), (397, 583443), (441, 525231), (567, 408513), (1029, 225099), (1191, 194481), (1323, 175077), (1701, 136171), (2401, 96471), (2779, 83349), (3087, 75033), (3573, 64827), (3969, 58359), (7203, 32157), (8337, 27783), (9261, 25011), (10719, 21609), (11907, 19453)]