31061523

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 48280320

約数和(自身を除く): 17218797

約数列:

[1, 3, 19, 23, 29, 43, 57, 69, 87, 129, 361, 437, 551, 667, 817, 989, 1083, 1247, 1311, 1653, 2001, 2451, 2967, 3741, 8303, 10469, 12673, 15523, 18791, 23693, 24909, 28681, 31407, 38019, 46569, 56373, 71079, 86043, 240787, 357029, 450167, 544939, 722361, 1071087, 1350501, 1634817, 10353841, 31061523]

約数ペア:

[(1, 31061523), (3, 10353841), (19, 1634817), (23, 1350501), (29, 1071087), (43, 722361), (57, 544939), (69, 450167), (87, 357029), (129, 240787), (361, 86043), (437, 71079), (551, 56373), (667, 46569), (817, 38019), (989, 31407), (1083, 28681), (1247, 24909), (1311, 23693), (1653, 18791), (2001, 15523), (2451, 12673), (2967, 10469), (3741, 8303)]