227788701

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 380928000

約数和(自身を除く): 153139299

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 133, 147, 183, 191, 343, 399, 427, 573, 931, 1029, 1159, 1281, 1337, 2793, 2989, 3477, 3629, 4011, 6517, 8113, 8967, 9359, 10887, 11651, 19551, 20923, 24339, 25403, 28077, 34953, 56791, 62769, 65513, 76209, 81557, 170373, 177821, 196539, 221369, 244671, 397537, 533463, 570899, 664107, 1192611, 1244747, 1549583, 1712697, 3734241, 3996293, 4648749, 10847081, 11988879, 32541243, 75929567, 227788701]

約数ペア:

[(1, 227788701), (3, 75929567), (7, 32541243), (19, 11988879), (21, 10847081), (49, 4648749), (57, 3996293), (61, 3734241), (133, 1712697), (147, 1549583), (183, 1244747), (191, 1192611), (343, 664107), (399, 570899), (427, 533463), (573, 397537), (931, 244671), (1029, 221369), (1159, 196539), (1281, 177821), (1337, 170373), (2793, 81557), (2989, 76209), (3477, 65513), (3629, 62769), (4011, 56791), (6517, 34953), (8113, 28077), (8967, 25403), (9359, 24339), (10887, 20923), (11651, 19551)]