664461

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 1123200

約数和(自身を除く): 458739

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 199, 371, 477, 597, 1113, 1393, 1791, 3339, 4179, 10547, 12537, 31641, 73829, 94923, 221487, 664461]

約数ペア:

[(1, 664461), (3, 221487), (7, 94923), (9, 73829), (21, 31641), (53, 12537), (63, 10547), (159, 4179), (199, 3339), (371, 1791), (477, 1393), (597, 1113)]