238463547

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{12197}}^1$

素因数の和:12240

約数の個数: 32

約数和(自身を含む): 390336000

約数和(自身を除く): 151872453

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 12197, 19551, 36591, 85379, 231743, 256137, 597653, 695229, 1622201, 1792959, 4183571, 4866603, 11355407, 12550713, 34066221, 79487849, 238463547]

約数ペア:

[(1, 238463547), (3, 79487849), (7, 34066221), (19, 12550713), (21, 11355407), (49, 4866603), (57, 4183571), (133, 1792959), (147, 1622201), (343, 695229), (399, 597653), (931, 256137), (1029, 231743), (2793, 85379), (6517, 36591), (12197, 19551)]