16922787

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 11422173

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 83, 133, 147, 219, 249, 399, 511, 581, 931, 1387, 1533, 1577, 1743, 2793, 3577, 4067, 4161, 4731, 6059, 9709, 10731, 11039, 12201, 18177, 29127, 33117, 42413, 67963, 77273, 115121, 127239, 203889, 231819, 296891, 345363, 805847, 890673, 2417541, 5640929, 16922787]

約数ペア:

[(1, 16922787), (3, 5640929), (7, 2417541), (19, 890673), (21, 805847), (49, 345363), (57, 296891), (73, 231819), (83, 203889), (133, 127239), (147, 115121), (219, 77273), (249, 67963), (399, 42413), (511, 33117), (581, 29127), (931, 18177), (1387, 12201), (1533, 11039), (1577, 10731), (1743, 9709), (2793, 6059), (3577, 4731), (4067, 4161)]