320425329

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2383}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 515706880

約数和(自身を除く): 195281551

約数列:

[1, 3, 7, 19, 21, 57, 133, 337, 399, 1011, 2359, 2383, 6403, 7077, 7149, 16681, 19209, 44821, 45277, 50043, 134463, 135831, 316939, 803071, 950817, 2409213, 5621497, 15258349, 16864491, 45775047, 106808443, 320425329]

約数ペア:

[(1, 320425329), (3, 106808443), (7, 45775047), (19, 16864491), (21, 15258349), (57, 5621497), (133, 2409213), (337, 950817), (399, 803071), (1011, 316939), (2359, 135831), (2383, 134463), (6403, 50043), (7077, 45277), (7149, 44821), (16681, 19209)]