672971187

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1\times {\mathrm{1213}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 1062881280

約数和(自身を除く): 389910093

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 911, 1213, 2733, 3639, 6377, 8491, 19131, 25473, 26419, 35177, 79257, 105531, 184933, 246239, 554799, 738717, 1105043, 3315129, 7735301, 23205903, 32046247, 96138741, 224323729, 672971187]

約数ペア:

[(1, 672971187), (3, 224323729), (7, 96138741), (21, 32046247), (29, 23205903), (87, 7735301), (203, 3315129), (609, 1105043), (911, 738717), (1213, 554799), (2733, 246239), (3639, 184933), (6377, 105531), (8491, 79257), (19131, 35177), (25473, 26419)]