16481619

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 14967981

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1399, 1683, 3927, 4197, 9793, 11781, 12591, 15389, 23783, 29379, 46167, 71349, 88137, 107723, 138501, 166481, 214047, 261613, 323169, 499443, 784839, 969507, 1498329, 1831291, 2354517, 5493873, 16481619]

約数ペア:

[(1, 16481619), (3, 5493873), (7, 2354517), (9, 1831291), (11, 1498329), (17, 969507), (21, 784839), (33, 499443), (51, 323169), (63, 261613), (77, 214047), (99, 166481), (119, 138501), (153, 107723), (187, 88137), (231, 71349), (357, 46167), (561, 29379), (693, 23783), (1071, 15389), (1309, 12591), (1399, 11781), (1683, 9793), (3927, 4197)]