199456719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 342171648

約数和(自身を除く): 142714929

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 101, 103, 231, 249, 303, 309, 581, 707, 721, 913, 1111, 1133, 1743, 2121, 2163, 2739, 3333, 3399, 6391, 7777, 7931, 8383, 8549, 10403, 19173, 23331, 23793, 25149, 25647, 31209, 58681, 59843, 72821, 92213, 94039, 114433, 176043, 179529, 218463, 276639, 282117, 343299, 645491, 658273, 801031, 863449, 1936473, 1974819, 2403093, 2590347, 6044143, 9497939, 18132429, 28493817, 66485573, 199456719]

約数ペア:

[(1, 199456719), (3, 66485573), (7, 28493817), (11, 18132429), (21, 9497939), (33, 6044143), (77, 2590347), (83, 2403093), (101, 1974819), (103, 1936473), (231, 863449), (249, 801031), (303, 658273), (309, 645491), (581, 343299), (707, 282117), (721, 276639), (913, 218463), (1111, 179529), (1133, 176043), (1743, 114433), (2121, 94039), (2163, 92213), (2739, 72821), (3333, 59843), (3399, 58681), (6391, 31209), (7777, 25647), (7931, 25149), (8383, 23793), (8549, 23331), (10403, 19173)]