538441893

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 918721440

約数和(自身を除く): 380279547

約数列:

[1, 3, 9, 11, 19, 33, 53, 57, 99, 121, 159, 171, 209, 363, 477, 491, 583, 627, 1007, 1089, 1473, 1749, 1881, 2299, 3021, 4419, 5247, 5401, 6413, 6897, 9063, 9329, 11077, 16203, 19239, 20691, 26023, 27987, 33231, 48609, 57717, 59411, 78069, 83961, 99693, 102619, 121847, 178233, 234207, 286253, 307857, 365541, 494437, 534699, 858759, 923571, 1096623, 1128809, 1483311, 2576277, 3148783, 3386427, 4449933, 5438807, 9446349, 10159281, 16316421, 28339047, 48949263, 59826877, 179480631, 538441893]

約数ペア:

[(1, 538441893), (3, 179480631), (9, 59826877), (11, 48949263), (19, 28339047), (33, 16316421), (53, 10159281), (57, 9446349), (99, 5438807), (121, 4449933), (159, 3386427), (171, 3148783), (209, 2576277), (363, 1483311), (477, 1128809), (491, 1096623), (583, 923571), (627, 858759), (1007, 534699), (1089, 494437), (1473, 365541), (1749, 307857), (1881, 286253), (2299, 234207), (3021, 178233), (4419, 121847), (5247, 102619), (5401, 99693), (6413, 83961), (6897, 78069), (9063, 59411), (9329, 57717), (11077, 48609), (16203, 33231), (19239, 27987), (20691, 26023)]