81302949

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 148500352

約数和(自身を除く): 67197403

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1443, 2331, 2683, 3367, 4329, 8049, 10101, 18781, 24147, 30303, 34879, 56343, 99271, 104637, 169029, 244153, 297813, 313911, 694897, 732459, 893439, 1290523, 2084691, 2197377, 3871569, 6254073, 9033661, 11614707, 27100983, 81302949]

約数ペア:

[(1, 81302949), (3, 27100983), (7, 11614707), (9, 9033661), (13, 6254073), (21, 3871569), (37, 2197377), (39, 2084691), (63, 1290523), (91, 893439), (111, 732459), (117, 694897), (259, 313911), (273, 297813), (333, 244153), (481, 169029), (777, 104637), (819, 99271), (1443, 56343), (2331, 34879), (2683, 30303), (3367, 24147), (4329, 18781), (8049, 10101)]