720902538

素因数分解:

$2^1\times 3^3\times {\mathrm{2927}}^1\times {\mathrm{4561}}^1$

素因数の和:7499

約数の個数: 32

約数和(自身を含む): 1602904320

約数和(自身を除く): 882001782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2927, 4561, 5854, 8781, 9122, 13683, 17562, 26343, 27366, 41049, 52686, 79029, 82098, 123147, 158058, 246294, 13350047, 26700094, 40050141, 80100282, 120150423, 240300846, 360451269, 720902538]

約数ペア:

[(1, 720902538), (2, 360451269), (3, 240300846), (6, 120150423), (9, 80100282), (18, 40050141), (27, 26700094), (54, 13350047), (2927, 246294), (4561, 158058), (5854, 123147), (8781, 82098), (9122, 79029), (13683, 52686), (17562, 41049), (26343, 27366)]