291270519

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 470131200

約数和(自身を除く): 178860681

約数列:

[1, 3, 9, 27, 29, 41, 43, 87, 123, 129, 211, 261, 369, 387, 633, 783, 1107, 1161, 1189, 1247, 1763, 1899, 3567, 3741, 5289, 5697, 6119, 8651, 9073, 10701, 11223, 15867, 18357, 25953, 27219, 32103, 33669, 47601, 51127, 55071, 77859, 81657, 153381, 165213, 233577, 244971, 250879, 263117, 371993, 460143, 752637, 789351, 1115979, 1380429, 2257911, 2368053, 3347937, 6773733, 7104159, 10043811, 10787797, 32363391, 97090173, 291270519]

約数ペア:

[(1, 291270519), (3, 97090173), (9, 32363391), (27, 10787797), (29, 10043811), (41, 7104159), (43, 6773733), (87, 3347937), (123, 2368053), (129, 2257911), (211, 1380429), (261, 1115979), (369, 789351), (387, 752637), (633, 460143), (783, 371993), (1107, 263117), (1161, 250879), (1189, 244971), (1247, 233577), (1763, 165213), (1899, 153381), (3567, 81657), (3741, 77859), (5289, 55071), (5697, 51127), (6119, 47601), (8651, 33669), (9073, 32103), (10701, 27219), (11223, 25953), (15867, 18357)]