397359249

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 623185920

約数和(自身を除く): 225826671

約数列:

[1, 3, 7, 21, 41, 123, 239, 287, 717, 861, 1673, 1931, 5019, 5793, 9799, 13517, 29397, 40551, 68593, 79171, 205779, 237513, 461509, 554197, 1384527, 1662591, 3230563, 9691689, 18921869, 56765607, 132453083, 397359249]

約数ペア:

[(1, 397359249), (3, 132453083), (7, 56765607), (21, 18921869), (41, 9691689), (123, 3230563), (239, 1662591), (287, 1384527), (717, 554197), (861, 461509), (1673, 237513), (1931, 205779), (5019, 79171), (5793, 68593), (9799, 40551), (13517, 29397)]