15143821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 5758067

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 503, 1309, 1771, 2737, 3521, 4301, 5533, 8551, 11569, 30107, 38731, 59857, 80983, 94061, 127259, 196673, 658427, 890813, 1376711, 2163403, 15143821]

約数ペア:

[(1, 15143821), (7, 2163403), (11, 1376711), (17, 890813), (23, 658427), (77, 196673), (119, 127259), (161, 94061), (187, 80983), (253, 59857), (391, 38731), (503, 30107), (1309, 11569), (1771, 8551), (2737, 5533), (3521, 4301)]