13815305

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 21275136

約数和(自身を除く): 7459831

約数列:

[1, 5, 7, 17, 31, 35, 49, 85, 107, 119, 155, 217, 245, 527, 535, 595, 749, 833, 1085, 1519, 1819, 2635, 3317, 3689, 3745, 4165, 5243, 7595, 9095, 12733, 16585, 18445, 23219, 25823, 26215, 56389, 63665, 89131, 116095, 129115, 162533, 281945, 394723, 445655, 812665, 1973615, 2763061, 13815305]

約数ペア:

[(1, 13815305), (5, 2763061), (7, 1973615), (17, 812665), (31, 445655), (35, 394723), (49, 281945), (85, 162533), (107, 129115), (119, 116095), (155, 89131), (217, 63665), (245, 56389), (527, 26215), (535, 25823), (595, 23219), (749, 18445), (833, 16585), (1085, 12733), (1519, 9095), (1819, 7595), (2635, 5243), (3317, 4165), (3689, 3745)]