239664945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53437}}^1$

素因数の和:53481

約数の個数: 32

約数和(自身を含む): 430924032

約数和(自身を除く): 191259087

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 53437, 160311, 267185, 694681, 801555, 1229051, 2084043, 3473405, 3687153, 6145255, 10420215, 15977663, 18435765, 47932989, 79888315, 239664945]

約数ペア:

[(1, 239664945), (3, 79888315), (5, 47932989), (13, 18435765), (15, 15977663), (23, 10420215), (39, 6145255), (65, 3687153), (69, 3473405), (115, 2084043), (195, 1229051), (299, 801555), (345, 694681), (897, 267185), (1495, 160311), (4485, 53437)]