338980215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 638668800

約数和(自身を除く): 299688585

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 149, 235, 329, 447, 461, 705, 745, 987, 1043, 1383, 1645, 2235, 2305, 3129, 3227, 4935, 5215, 6915, 7003, 9681, 15645, 16135, 21009, 21667, 35015, 48405, 49021, 65001, 68689, 105045, 108335, 147063, 151669, 206067, 245105, 325005, 343445, 455007, 480823, 735315, 758345, 1030335, 1442469, 2275035, 2404115, 3228383, 7212345, 9685149, 16141915, 22598681, 48425745, 67796043, 112993405, 338980215]

約数ペア:

[(1, 338980215), (3, 112993405), (5, 67796043), (7, 48425745), (15, 22598681), (21, 16141915), (35, 9685149), (47, 7212345), (105, 3228383), (141, 2404115), (149, 2275035), (235, 1442469), (329, 1030335), (447, 758345), (461, 735315), (705, 480823), (745, 455007), (987, 343445), (1043, 325005), (1383, 245105), (1645, 206067), (2235, 151669), (2305, 147063), (3129, 108335), (3227, 105045), (4935, 68689), (5215, 65001), (6915, 49021), (7003, 48405), (9681, 35015), (15645, 21667), (16135, 21009)]