217458801

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^2$

素因数の和:602

約数の個数: 36

約数和(自身を含む): 367975296

約数和(自身を除く): 150516495

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 271, 329, 423, 813, 987, 1897, 2439, 2961, 5691, 12737, 17073, 38211, 73441, 89159, 114633, 220323, 267477, 514087, 660969, 802431, 1542261, 3451727, 4626783, 10355181, 24162089, 31065543, 72486267, 217458801]

約数ペア:

[(1, 217458801), (3, 72486267), (7, 31065543), (9, 24162089), (21, 10355181), (47, 4626783), (63, 3451727), (141, 1542261), (271, 802431), (329, 660969), (423, 514087), (813, 267477), (987, 220323), (1897, 114633), (2439, 89159), (2961, 73441), (5691, 38211), (12737, 17073)]