77639715

素因数分解:

$3^5\times 5^1\times {\mathrm{63901}}^1$

素因数の和:63921

約数の個数: 24

約数和(自身を含む): 139561968

約数和(自身を除く): 61922253

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 63901, 191703, 319505, 575109, 958515, 1725327, 2875545, 5175981, 8626635, 15527943, 25879905, 77639715]

約数ペア:

[(1, 77639715), (3, 25879905), (5, 15527943), (9, 8626635), (15, 5175981), (27, 2875545), (45, 1725327), (81, 958515), (135, 575109), (243, 319505), (405, 191703), (1215, 63901)]