290862243

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148931}}^1$

素因数の和:148975

約数の個数: 24

約数和(自身を含む): 495645696

約数和(自身を除く): 204783453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 148931, 446793, 1042517, 1340379, 3127551, 4616861, 9382653, 13850583, 32318027, 41551749, 96954081, 290862243]

約数ペア:

[(1, 290862243), (3, 96954081), (7, 41551749), (9, 32318027), (21, 13850583), (31, 9382653), (63, 4616861), (93, 3127551), (217, 1340379), (279, 1042517), (651, 446793), (1953, 148931)]