28805931

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 52386048

約数和(自身を除く): 23580117

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 197, 211, 231, 591, 633, 693, 1379, 1477, 1773, 1899, 2167, 2321, 4137, 4431, 6501, 6963, 12411, 13293, 15169, 16247, 19503, 20889, 41567, 45507, 48741, 124701, 136521, 146223, 290969, 374103, 457237, 872907, 1371711, 2618721, 3200659, 4115133, 9601977, 28805931]

約数ペア:

[(1, 28805931), (3, 9601977), (7, 4115133), (9, 3200659), (11, 2618721), (21, 1371711), (33, 872907), (63, 457237), (77, 374103), (99, 290969), (197, 146223), (211, 136521), (231, 124701), (591, 48741), (633, 45507), (693, 41567), (1379, 20889), (1477, 19503), (1773, 16247), (1899, 15169), (2167, 13293), (2321, 12411), (4137, 6963), (4431, 6501)]