16397703

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 54

約数和(自身を含む): 29361384

約数和(自身を除く): 12963681

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 103, 133, 147, 171, 309, 361, 399, 441, 721, 927, 931, 1083, 1197, 1957, 2163, 2527, 2793, 3249, 5047, 5871, 6489, 7581, 8379, 13699, 15141, 17613, 17689, 22743, 37183, 41097, 45423, 53067, 95893, 111549, 123291, 159201, 260281, 287679, 334647, 780843, 863037, 1821967, 2342529, 5465901, 16397703]

約数ペア:

[(1, 16397703), (3, 5465901), (7, 2342529), (9, 1821967), (19, 863037), (21, 780843), (49, 334647), (57, 287679), (63, 260281), (103, 159201), (133, 123291), (147, 111549), (171, 95893), (309, 53067), (361, 45423), (399, 41097), (441, 37183), (721, 22743), (927, 17689), (931, 17613), (1083, 15141), (1197, 13699), (1957, 8379), (2163, 7581), (2527, 6489), (2793, 5871), (3249, 5047)]