131691813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 214548480

約数和(自身を除く): 82856667

約数列:

[1, 3, 11, 23, 29, 31, 33, 69, 87, 93, 193, 253, 319, 341, 579, 667, 713, 759, 899, 957, 1023, 2001, 2123, 2139, 2697, 4439, 5597, 5983, 6369, 7337, 7843, 9889, 13317, 16791, 17949, 20677, 22011, 23529, 29667, 48829, 61567, 62031, 65813, 128731, 137609, 146487, 173507, 184701, 197439, 227447, 386193, 412827, 520521, 682341, 1416041, 1513699, 1908577, 3990661, 4248123, 4541097, 5725731, 11971983, 43897271, 131691813]

約数ペア:

[(1, 131691813), (3, 43897271), (11, 11971983), (23, 5725731), (29, 4541097), (31, 4248123), (33, 3990661), (69, 1908577), (87, 1513699), (93, 1416041), (193, 682341), (253, 520521), (319, 412827), (341, 386193), (579, 227447), (667, 197439), (713, 184701), (759, 173507), (899, 146487), (957, 137609), (1023, 128731), (2001, 65813), (2123, 62031), (2139, 61567), (2697, 48829), (4439, 29667), (5597, 23529), (5983, 22011), (6369, 20677), (7337, 17949), (7843, 16791), (9889, 13317)]