408078321

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{28619}}^1$

素因数の和:28733

約数の個数: 24

約数和(自身を含む): 639485280

約数和(自身を除く): 231406959

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 28619, 85857, 200333, 600999, 1402331, 2776043, 4206993, 8328129, 19432301, 58296903, 136026107, 408078321]

約数ペア:

[(1, 408078321), (3, 136026107), (7, 58296903), (21, 19432301), (49, 8328129), (97, 4206993), (147, 2776043), (291, 1402331), (679, 600999), (2037, 200333), (4753, 85857), (14259, 28619)]