420208515

素因数分解:

$3^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{12143}}^1$

素因数の和:12923

約数の個数: 24

約数和(自身を含む): 729368640

約数和(自身を除く): 309160125

約数列:

[1, 3, 5, 9, 15, 45, 769, 2307, 3845, 6921, 11535, 12143, 34605, 36429, 60715, 109287, 182145, 546435, 9337967, 28013901, 46689835, 84041703, 140069505, 420208515]

約数ペア:

[(1, 420208515), (3, 140069505), (5, 84041703), (9, 46689835), (15, 28013901), (45, 9337967), (769, 546435), (2307, 182145), (3845, 109287), (6921, 60715), (11535, 36429), (12143, 34605)]