3918579

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 6785280

約数和(自身を除く): 2866701

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 61, 69, 133, 147, 161, 183, 399, 427, 437, 483, 931, 1127, 1159, 1281, 1311, 1403, 2793, 2989, 3059, 3381, 3477, 4209, 8113, 8967, 9177, 9821, 21413, 24339, 26657, 29463, 56791, 64239, 68747, 79971, 170373, 186599, 206241, 559797, 1306193, 3918579]

約数ペア:

[(1, 3918579), (3, 1306193), (7, 559797), (19, 206241), (21, 186599), (23, 170373), (49, 79971), (57, 68747), (61, 64239), (69, 56791), (133, 29463), (147, 26657), (161, 24339), (183, 21413), (399, 9821), (427, 9177), (437, 8967), (483, 8113), (931, 4209), (1127, 3477), (1159, 3381), (1281, 3059), (1311, 2989), (1403, 2793)]